All 189 actors in both Fringe and Smallville
189 actors have appeared in both Fringe and Smallville, across 317 episodes. The most-credited is Alessandro Juliani, Marco in Fringe and Dr. Emil Hamilton in Smallville.
| Actor | In Fringe | In Smallville | Eps | Eps |
|---|---|---|---|---|
| Alessandro Juliani | Marco | Dr. Emil Hamilton | 1 | 14 |
| Aaron Ashmore | Matthew Rose | Jimmy Olsen, Jimmy Olsen (jr. brother) | 1 | 11 |
| Blair Brown | Nina Sharp (Alt Universe), Nina Sharp, Nina Sharp (Noir) | Rachel Dunleavy | 11 | 1 |
| Michael Kopsa | Captain Windmark | Dean Winters | 11 | 1 |
| Sarah Jane Redmond | Miss Ashley | Nell Potter | 1 | 11 |
| Adrian Holmes | Forensics Chief | Basqat, Griff | 1 | 7 |
| Sharon Taylor | Broyles' Secretary | Faora | 1 | 7 |
| Connor Stanhope | Matthew Mitnovitz | Young Lex Luthor, Alexander Luthor Lx-15 | 1 | 5 |
| Gerard Plunkett | Senator James Van Horn | Dr. Donovan Jamison | 4 | 2 |
| Hiro Kanagawa | Executor | Principal H. James Kwan | 1 | 5 |
| Stephen Lobo | FBI Agent Frazier | Randall Brady | 1 | 5 |
| Chris Shields | Special Agent Fisher, Special Agent Fisher (Alt Universe) | Courier, EMT #1, Reporter | 4 | 4 |
| Colin Lawrence | FBI Agent Roach | Agent Stocker, Captain Nichols, Doctor | 1 | 3 |
| Malcolm Stewart | Dr. Levin | Dr. Otis Ford, Dr. Sinclair, Jim Melville | 1 | 3 |
| Françoise Yip | Dr. Rosa Oporto | Dr. Lia Teng | 1 | 5 |
| Laura Mennell | Rose Falls | Janet Dawson, Toni | 1 | 2 |
| Max Train | Eric Franko | Jesse Watts | 1 | 2 |
| Michael Rogers | Mueller | Agent Black | 5 | 1 |
| Julian D. Christopher | General Tonks | Dr. MacIntyre | 1 | 6 |
| Ecstasia Sanders | Jenna | Talon Girl | 1 | 3 |
| Martin Cummins | Joe Falls | Dr. Lawrence Garner | 1 | 3 |
| Pascale Hutton | Sally Clark | Raya, Karen Gallagher | 2 | 3 |
| Darryl Quon | Orderly | Club Zero Bouncer, Security Guard #1 | 1 | 2 |
| David Lewis | Brian Bauer | Dr. Marcus, Macy / Jeweler | 1 | 2 |
| Gabrielle Rose | Dr. Anderson, Dr. Anderson (Alt Universe) | Mrs. Arkin | 2 | 1 |
| James Kidnie | The Commander | Amos Fortune | 2 | 1 |
| Jason Poulsen | Brian | Colin | 1 | 2 |
| Jody Thompson | Sara Downey | Gia, Police Woman | 1 | 2 |
| JR Bourne | CIA Agent Edwards | Dr. Bernard Chisholm | 2 | 1 |
| Mackenzie Gray | Observer Physician #1 | Dr. Alistair Kreig, Lex Luthor Clone | 1 | 2 |
| Quinn Lord | Young Peter Bishop | Phillipe Lamont | 1 | 2 |
| Barclay Hope | Andrew Burgess | Dr. Anthony Bright, Doctor | 1 | 3 |
| Kwesi Ameyaw | Agent Frug | Darius | 1 | 3 |
| Lori Ann Triolo | Karen Truss | Lt. Trotter | 1 | 3 |
| Viv Leacock | Cop, Police Officer | Agent Simon, Co-Pilot | 2 | 2 |
| Andrew McIlroy | Professor Lime | Yuri antiquarian | 1 | 1 |
| Barbara Kottmeier | Shelley Milton | Adrianna | 1 | 1 |
| Elizabeth McLaughlin | Dr. Alexandra Ross | Nurse | 1 | 1 |
| Emily Holmes | Jill Leiter | Jodi Keenan | 1 | 1 |
| Glynis Davies | Landlady | Mrs. Palmer | 1 | 1 |
| Greyston Holt | Vince | Tobias Rice | 1 | 1 |
| Heather Doerksen | Major Warner | Erica Poss | 4 | 1 |
| Ingrid Torrance | Elizabeth Jarvis | Zoe Flite | 1 | 1 |
| Jakob Davies | Little Boy | Alexander Luthor Lx-15 | 1 | 2 |
| John Pyper-Ferguson | John McClennan, John McClennan (Alt Universe) | Dr. William McBride | 1 | 1 |
| Jonathan Lloyd Walker | Albert Duncan | Paul Brenner | 1 | 2 |
| Jovanna Burke | Diana Lamia | Sasha Woodman | 1 | 1 |
| Judith Maxie | Hospital Administrator | Dr. Albright | 1 | 2 |
| Kimani Ray Smith | Bike Messenger | Bus Driver, Monitoring Astronomer | 1 | 2 |
| Michael Eklund | Milo Stanfield | Richter Maddox, Will | 1 | 2 |
| Ona Grauer | Dianna Sutter | Dr. Gabrielle Vaughan | 1 | 1 |
| Paul Jarrett | Dr. Warren Blake | Scientist | 1 | 1 |
| Sandra Ferens | Mrs. Keenan | Coroner | 1 | 3 |
| Shawn Ashmore | Joshua Rose | Eric Summers | 1 | 2 |
| David Richmond-Peck | Detective Kassel | Director, March Sosnick, Pete O'Grady | 1 | 3 |
| Kendall Cross | Nurse Joyce | Jessica Kent, Lara-El, Little Girl's Mother | 1 | 3 |
| Bradley Stryker | Rick | Deadshot | 1 | 2 |
| Catherine Barroll | Mrs. Lane | Betty Fordman | 1 | 2 |
| Dan Joffre | Detective Burt Manning | D. Halifax | 1 | 2 |
| Dean McKenzie | Rob | Lex's Campaign Manager | 1 | 2 |
| Doug Chapman | Agent, Jeffrey Mayer | Deputy | 2 | 1 |
| James Michalopolous | Security Guard | Carjacker, Prisoner | 1 | 2 |
| Jim Shield | Joe | James Gibson, Sylvester Pemperton / Star-Spangled Kid | 1 | 2 |
| John Shaw | M.E. Dr. John Potash | Cave Scientist | 1 | 2 |
| Mark Acheson | Murray Harkins | Magistrate Wilkins | 1 | 2 |
| Michael Adamthwaite | ND Agent #2 | Andrew Connors, Rick | 1 | 2 |
| Richard Keats | Don | Doctor | 1 | 2 |
| Serge Houde | General Hames | John Frankle, Priest | 1 | 2 |
| Tristan Jensen | ND Agent #1 | Police Officer | 2 | 1 |
| Veena Sood | HR Head | Schoolteacher | 1 | 2 |
| Karen Holness | Diane Broyles (Alt Universe), Diane Broyles | Jessica Bishop | 4 | 1 |
| Adrian Hough | MIT Professor | Dr. Robert Bethany | 1 | 1 |
| Alex Zahara | Detective Green | Dr. Jansen | 1 | 1 |
| Ali Skovbye | Lacey Hayes | Haley | 1 | 1 |
| Andrew Airlie | Dr. James Carson | Mr. Woodruff | 1 | 1 |
| Birkett Turton | Briggs | Jeff Palmer | 1 | 1 |
| Blu Mankuma | Stephen Farnsworth | Franklin W. Stern | 1 | 1 |
| Brent Stait | Lieutenant Daniels | Kent Nelson / Dr. Fate | 1 | 1 |
| Claudette Mink | Captain Diane Burgess | Corinne Hartford | 1 | 1 |
| Conrad Coates | Vincent Ames | Keating | 1 | 1 |
| Curtis Caravaggio | Ken Messing | Wingate Owner | 1 | 1 |
| Daryl Shuttleworth | Lincoln's Father (Alt Universe) | Vice Principal Martin Gibbons | 1 | 1 |
| Gina Holden | Kate Hicks | Patricia Swann | 1 | 1 |
| Ken Kirzinger | Air Marshal | Scientist | 1 | 1 |
| Paul Lazenby | FBI Agent #1 | Tony | 1 | 1 |
| Zak Santiago | Cecil | Deputy Morales | 1 | 1 |
| Zen Shane Lim | Pan Che | Dirk Lee | 1 | 1 |
| Jim Thorburn | Greg Leiter | Max Taylor, Officer Joe Simmons | 1 | 2 |
| Steve Makaj | Loyalist Commander | Coach Calloway, Contractor | 1 | 2 |
| Aaron Craven | Kurt Larsen | Scientist | 1 | 1 |
| Alvin Sanders | Doorman | Dale Ross, Dr. Klein | 1 | 2 |
| Amos Stern | July | Kandorian Guard | 2 | 1 |
| Anthony Shim | Operating Assistant | Daniel Kim | 1 | 1 |
| Christine Chatelain | Krista Manning | Tempest Drake | 1 | 1 |
| Dee Jay Jackson | Security Guard | Bill Ross, Bus Driver | 1 | 2 |
| Emy Aneke | Captain | Robert Pontius | 1 | 1 |
| Evan Frayne | Eames | Jewelry Store Employee | 1 | 1 |
| Fraser Aitcheson | Cop #1 | Ethan Carter | 1 | 2 |
| Haig Sutherland | Ned Dolan | Travis George | 1 | 1 |
| Hilary Jardine | Nurse #1 | Suzanne Capra | 1 | 1 |
| James Tsai | David Wu | EMT, Field Team Leader | 1 | 2 |
| John Emmet Tracy | ER Doctor | Dr. Alfonso | 1 | 1 |
| Juan Riedinger | Craig Shoen | Lowell Wilson | 1 | 1 |
| Michael Teigen | Bill | Louie Esposito | 1 | 1 |
| Nancy Sivak | Nurse Teresa Jaffe | Marilyn | 1 | 1 |
| Nathan Dashwood | Stratton | Tommy Walker | 1 | 1 |
| Nicholas Carella | Jim | Dr. Flores | 1 | 1 |
| Nickolas Baric | Security Guard | Thug #2 | 1 | 1 |
| Nico Ghisi | Young Peter Bishop | Alex Luthor | 1 | 1 |
| Paul McGillion | Edwin Massey | LexCorp Employee | 1 | 1 |
| Randal Edwards | Fringe Agent #2 | EMT #2 | 1 | 1 |
| Ryan Booth | Officer Jenks | Technician | 1 | 1 |
| Shawn Stewart | Motorist #1, Truck Driver | Security Guard | 2 | 1 |
| Tim Guinee | Rick Pearce | Adrian | 1 | 1 |
| Tom Butler | Richard | Lawrence Grady | 1 | 1 |
| Ben Cotton | Impound Clerk | Paul Hendrix | 1 | 1 |
| Cam Cronin | Tech #1 | Dr. Glenn | 1 | 1 |
| Catherine Lough Haggquist | Lucy | Mary | 1 | 1 |
| Darryl Scheelar | MP | Assassin | 1 | 1 |
| David Orth | Trooper John Pekarski | Soldier with Microphone | 1 | 1 |
| Eric Keenleyside | Jeremy Bissell | Mike | 1 | 1 |
| G. Michael Gray | Jared Colin | Buddy Brown | 1 | 1 |
| Graeme Duffy | Male Victim | Patient #2 | 1 | 1 |
| Michael Coleman | Ben Killenburg | Bert Camp | 1 | 1 |
| Miles Meadows | Ponytail Man | Doug | 1 | 1 |
| Peter Flemming | Loyalist Lieutenant | Brady | 1 | 1 |
| Peter New | Jimmy Smith | Coffee Shop Employee | 1 | 1 |
| Raf Rogers | Nurse Maud | Francisco | 1 | 1 |
| Richard Stroh | Security #1 | Davidson | 1 | 1 |
| Todd Mann | Alt. MP #1 | Twin #2 | 1 | 1 |
| Tom Pickett | Dead Singer / Corpse #1 | Principal Terrence Reynolds | 1 | 1 |
| Lucas Wolf | Male Nurse, Observer Physician #2 | Security Guard | 2 | 1 |
| Phillip Mitchell | Checkpoint Loyalist, Officer Daniel Gillespe | Guard | 2 | 1 |
| Adam Thomas | Male EMT | Blues Player | 1 | 1 |
| Angela Moore | Another Nurse | DNA Doctor | 1 | 1 |
| Chilton Crane | Lincoln's Mother (Alt Universe) | Guidance Counselor | 1 | 1 |
| D. Neil Mark | ND Agent #2 | Lt. Ray McNulty | 1 | 1 |
| Elizabeth Thai | ER Doctor | Mary | 1 | 1 |
| Ivan Cermak | Cop | Doctor | 1 | 1 |
| Jase Anthony Griffith | Museum Security Guard | Belle Reve Guard | 1 | 1 |
| Jennifer Kitchen | Female CSI | Nurse | 1 | 1 |
| Jill Morrison | Margaret | Maddie Haroldhaus | 1 | 1 |
| Leanne Adachi | Medical Examiner | Nurse | 1 | 1 |
| Linda Ko | Nurse Darla | Luthor Lawyer | 1 | 1 |
| Roman Podhora | Willy | Head Bouncer | 1 | 1 |
| Aaron Pearl | Agent Tevez | Len Burton | 1 | 1 |
| Allie Bertram | Pixie | Zoe | 1 | 1 |
| Anthony Harrison | BPD Sergeant | Head Astronomer | 1 | 1 |
| Dean Marshall | Uniform | Seattle Police Officer | 1 | 1 |
| Elfina Luk | EMT #1 | Female Gangbanger | 1 | 1 |
| Jason Coleman | Cop #2 | Deputy Chorney | 1 | 1 |
| Kevan Ohtsji | Medical Examiner | Danny Kwan | 1 | 1 |
| Kristen Ross | Arlette Turling | Mrs. Jones / Agent Bowman | 1 | 1 |
| Michael Karl Richards | Translucent Man | Sheriff William 'Billy' Tate | 1 | 1 |
| Michael Soltis | Resistance Member in Truck | Deputy Nees | 1 | 1 |
| Sage Brocklebank | Loyalist Guard | James | 1 | 1 |
| Tom Stevens | Michael Krick | Clayton | 1 | 1 |
| Alistair Abell | Chief Scientist | Med Professor | 1 | 1 |
| Christian Vincent | Surgeon | Dock Worker | 1 | 1 |
| Colby Johannson | Chris | David 'Coop' Cooper | 1 | 1 |
| Colby Wilson | Uniformed Loyalist | Berger | 1 | 1 |
| Donny Lucas | Orderly Sam | Caribbean man | 1 | 1 |
| James Ralph | Observer #4 | Deputy Markowitz | 1 | 1 |
| Kurt Evans | Co-Pilot | EMT | 1 | 1 |
| Stephanie Nudd | Grown Daughter | Delia Watkins | 1 | 1 |
| Ash Lee | Security Guard | Production Assistant | 1 | 1 |
| Biski Gugushe | Bill | Security Guard | 1 | 1 |
| Candus Churchill | Dead Singer / Corpse #3 | Nurse | 1 | 1 |
| Christian Sloan | Courier | Ben | 1 | 1 |
| Erica Carroll | FBI Newbie | Inza Nelson | 1 | 1 |
| Ivan Wanis Ruiz | Amon | Sergeant Garcia | 1 | 1 |
| Jeremy Jones | Paramedic | Henry's Father | 1 | 1 |
| Marc-Anthony Massiah | Agent Cole | Emerson | 1 | 1 |
| Matt Ellis | Ritchie | Tanner Sutherland | 1 | 1 |
| Nigel Vonas | Alt. DOD MP #1 | Deputy | 1 | 1 |
| Patrick Keating | Manager | Dr. Heller | 1 | 1 |
| Sylvesta Stuart | Dillon | Airport Security Guard | 1 | 1 |
| Brad Dryborough | Doctor #1 | Dr. Bauer | 1 | 1 |
| Ian Robison | George | Pilot | 1 | 1 |
| Ken Lawson | Orderly | Wesley Dodds / Sandman | 1 | 1 |
| Lane Edwards | Lawyer | Agent James Shepard | 1 | 1 |
| Michael Ryan | Gary | Psychiatrist | 1 | 1 |
| Monica Mustelier | Sylvia | Nurse | 1 | 1 |
| Robert Gauvin | Uniform Cop | Helicopter Pilot | 1 | 1 |
| Todd Thomson | Jack Zoephel | Secretary of Defense | 1 | 1 |
| Roger Haskett | Dr. Harris | Ted Grant / Wildcat | 1 | 1 |
| Gardiner Millar | Observer #2 | FBI Agent | 1 | 1 |
| Desiree Zurowski | Dr. Samuels | Minister | 1 | 1 |
| Courtney Lancaster | Pediatric Nurse | Nurse | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.