All 124 actors in both Fringe and The Outer Limits
124 actors have appeared in both Fringe and The Outer Limits, across 254 episodes. The most-credited is Michael Kopsa, Captain Windmark in Fringe and Commander Ivers, Curtis Sawyer, Detective Broder in The Outer Limits.
| Actor | In Fringe | In The Outer Limits | Eps | Eps |
|---|---|---|---|---|
| Michael Kopsa | Captain Windmark | Commander Ivers, Curtis Sawyer, Detective Broder | 11 | 4 |
| Leonard Nimoy | Dr. William Bell | Thurman Cutler | 11 | 1 |
| Gerard Plunkett | Senator James Van Horn | Admiral Birch, George | 4 | 2 |
| Andrew Airlie | Dr. James Carson | Agent Corey Lonn, Don, Dr. Kevington | 1 | 4 |
| Roger Cross | Smith | Bartender, Kevin Flynn, Lt. Lockhart | 2 | 3 |
| Hiro Kanagawa | Executor | Ron Hikida, Tali | 1 | 2 |
| JR Bourne | CIA Agent Edwards | Dell Tinker | 2 | 1 |
| Peter Outerbridge | Dr. Reyes | Dr. Andy Groenig, Ned Bailey | 1 | 2 |
| Sam Vincent | EMT #1 | Akira Matsumoto, Jerome Horowitz | 1 | 2 |
| William Sadler | Dr. Bruce Sumner | Frank Hellner | 2 | 1 |
| Eric Keenleyside | Jeremy Bissell | Friedkin, Major Ford, Peters | 1 | 3 |
| Joan Chen | Reiko | Major Dara Talif | 1 | 1 |
| Joshua Jackson | Peter Bishop (Noir) | Devon Taylor | 1 | 1 |
| Stephen McHattie | Colonel Raymond Gordon | Dr. Sherrick | 1 | 1 |
| Vincent Gale | Tom Dobbins | Corporal Hawthorne, Dooley McMahon, Walt | 1 | 3 |
| David Lewis | Brian Bauer | Deputy, Joe Oakridge | 1 | 2 |
| Aaron Pearl | Agent Tevez | Clark, Lt. Winters, Roger Beckersly | 1 | 3 |
| John Tench | Patrick Hickey | Alex, Collins, Scarred Man | 1 | 3 |
| Ken Camroux-Taylor | Old Senator | Admiral Jones, Dr. Madison, George Fallson | 1 | 3 |
| Ken Pogue | Derek Merchant | Dean Hardwick, Ian Harper, Mr. Jones | 1 | 3 |
| Peter Bryant | Ben McCalister | Commander Sullivan, Geoff, Mike | 1 | 3 |
| Tom Butler | Richard | Charlie Bouton, Charlie Rogers, Dr. Werner | 1 | 4 |
| Arye Gross | Malcolm Truss | Bernard Selden | 1 | 1 |
| Barbara Tyson | Mrs. Walsh | Carrie Emerson, Nancy Henniger | 1 | 2 |
| Blu Mankuma | Stephen Farnsworth | Captain John Owens, President, Stanley | 1 | 3 |
| Brent Stait | Lieutenant Daniels | Vince Baxter, Wayne | 1 | 2 |
| Glynis Davies | Landlady | Dr. Baker | 1 | 1 |
| Ingrid Torrance | Elizabeth Jarvis | Becky | 1 | 1 |
| John Pyper-Ferguson | John McClennan, John McClennan (Alt Universe) | Brian Chason | 1 | 1 |
| Malcolm Stewart | Dr. Levin | Daniel Tenzer, Joel Haas, Phil Krepuski | 1 | 3 |
| Marilyn Norry | Nurse 3 | Flo | 1 | 1 |
| Sean Campbell | Zach Alpert | Police Officer | 1 | 1 |
| Timothy Webber | Man | Dep. Middleton, Martin Nash | 2 | 2 |
| Angela Moore | Another Nurse | African American Woman, Nurse #1, Rutherford | 1 | 3 |
| D. Harlan Cutshall | SWAT Agent | Captain, Guard | 2 | 2 |
| Michael Ryan | Gary | Rex, Thomas Langley Russell | 1 | 2 |
| Patrick Keating | Manager | GX-17, Technician | 1 | 2 |
| Sarah Jane Redmond | Miss Ashley | Kelly Risely, Kendal's Girlfriend | 1 | 2 |
| Alan Ruck | Dr. Krick | Howard Sharp | 1 | 1 |
| Allison Hossack | Bernadette | Erin Whitley | 1 | 1 |
| Chris Eigeman | David Esterbrook | Caleb Vance | 1 | 1 |
| Claudette Mink | Captain Diane Burgess | Jessica Brooks | 1 | 1 |
| Clint Howard | Emmanuel Grayson | Dennis | 1 | 1 |
| John Savage | Andre Hughes | Lucas | 1 | 1 |
| Judith Maxie | Hospital Administrator | Judge, Judge Peale, Mayor Gant | 1 | 3 |
| Martin Cummins | Joe Falls | Jack Burrell | 1 | 1 |
| Megan Leitch | Elaine | Barb | 1 | 1 |
| Chilton Crane | Lincoln's Mother (Alt Universe) | Elaine Tenzer, Pregnant Woman | 1 | 2 |
| Dean Marshall | Uniform | Corporal Hanford, Mason | 1 | 2 |
| Kerry Sandomirsky | Nun | Kristen O'Keefe, Mary | 1 | 2 |
| Linda Ko | Nurse Darla | Female Student, Hanna Sheafer | 1 | 2 |
| Paul Jarrett | Dr. Warren Blake | Dr. Franklin Dreiden, Dr. Mauser | 1 | 2 |
| Ted Cole | Scientist Observer | Chris | 2 | 1 |
| Phillip Mitchell | Checkpoint Loyalist, Officer Daniel Gillespe | Mugger, Security Man | 2 | 2 |
| Adrian Holmes | Forensics Chief | James, Soldier | 1 | 2 |
| Charles Martin Smith | Sheriff C. Howard Golightly | Spencer Deighton | 1 | 1 |
| Colin Lawrence | FBI Agent Roach | Technician | 1 | 1 |
| Colleen Winton | Woman | Patricia Fowler, Spokesperson | 1 | 2 |
| Dean McKenzie | Rob | Kellar, Newscaster | 1 | 2 |
| John Innes | Judge O'Malley | Priest, Teacher | 1 | 2 |
| Kendall Cross | Nurse Joyce | Allison Morris | 1 | 1 |
| Leanne Adachi | Medical Examiner | Captain Alice Wheeler | 1 | 1 |
| Nancy Sivak | Nurse Teresa Jaffe | Eldon's Wife | 1 | 1 |
| Peter Flemming | Loyalist Lieutenant | Tom Young | 1 | 1 |
| Richard Ian Cox | Donnie | Mark McPhee | 1 | 1 |
| Tim Guinee | Rick Pearce | Corporal Charles Pendelton | 1 | 1 |
| Veena Sood | HR Head | Dr. Katzman | 1 | 1 |
| David Neale | Police Captain | Commander Richard Gordon, Evan Branch, Security Guard | 1 | 3 |
| Andrew McIlroy | Professor Lime | Hal Kaplan, Pallas (Demon) | 1 | 2 |
| Darryl Scheelar | MP | Gorum, Sergeant Laughton | 1 | 2 |
| Biski Gugushe | Bill | James | 1 | 1 |
| BJ Harrison | Nurse 2 | Administrator | 1 | 1 |
| Catherine Lough Haggquist | Lucy | Reporter | 1 | 1 |
| Eliza Norbury | Lisa Duffy | Lady Sophia | 1 | 1 |
| Holly Dignard | Danielle Rose | Cindy | 1 | 1 |
| Jase Anthony Griffith | Museum Security Guard | Medical Technician | 1 | 1 |
| Julian D. Christopher | General Tonks | David Aftergood | 1 | 1 |
| Roman Podhora | Willy | Commander Louis Vidwell | 1 | 1 |
| Sarah Hayward | Nurse A. Mikita | Doris Hooper | 1 | 1 |
| Erica Carroll | FBI Newbie | Claudia, Elizabeth Andrews | 1 | 2 |
| Peter Kelamis | Tobin | Brian Wakefield, Stan Draper | 1 | 2 |
| Alex Zahara | Detective Green | Karl Rademacher | 1 | 1 |
| Alvin Sanders | Doorman | Chaplain | 1 | 1 |
| Charles André | Older Gentleman | Evan | 1 | 1 |
| Colleen Wheeler | Neighbor | Uma | 1 | 1 |
| Darryl Quon | Orderly | Asian Worker | 1 | 1 |
| Dee Jay Jackson | Security Guard | Guard | 1 | 1 |
| Howard Siegel | Conductor | Superintendent | 1 | 1 |
| Karin Konoval | Dr. Christine Albright | Sarah | 1 | 1 |
| Ken Kirzinger | Air Marshal | Moloch | 1 | 1 |
| Ken Kramer | Mr. Rubel | Judge Clancy | 1 | 1 |
| Kirby Morrow | Maddox | Kirby | 1 | 1 |
| Miguelito Macario | Agent #1, Tech | Lab Tech | 2 | 1 |
| Peter Hanlon | Doctor #1 | Peter Cadon | 1 | 1 |
| Stephen Dimopoulos | Mr. Lamia | Horace Vaughn | 1 | 1 |
| D. Neil Mark | ND Agent #2 | Guard | 1 | 1 |
| Ian Robison | George | Grant Kildale | 1 | 1 |
| James Tsai | David Wu | Technician | 1 | 1 |
| Kwesi Ameyaw | Agent Frug | Policeman #1 | 1 | 1 |
| Mackenzie Gray | Observer Physician #1 | Martin Reese | 1 | 1 |
| Moya O'Connell | Linda Greeley | Girlfriend | 1 | 1 |
| Scott Vickaryous | Jeremy Delman | Young Sinclair | 1 | 1 |
| Darren Moore | Bonner, Gun Store Owner | Gangmember | 2 | 1 |
| Brian Knox McGugan | Waiter | Paramedic #1 | 1 | 1 |
| C. Ernst Harth | Bus Driver | Silverface | 1 | 1 |
| Donny Lucas | Orderly Sam | Hornet | 1 | 1 |
| Jim Shield | Joe | Duro | 1 | 1 |
| Sal Sortino | Grocer | Janitor | 1 | 1 |
| Steve Makaj | Loyalist Commander | Officer Brown | 1 | 1 |
| Candus Churchill | Dead Singer / Corpse #3 | Nurse | 1 | 1 |
| Claude Duhamel | Carlos | Grant | 1 | 1 |
| Colin Banner | Bus Driver | Stranger #2 | 1 | 1 |
| Dan Shea | Observer #3 on Street | Cop | 1 | 1 |
| Doron Bell | Officer Gibson | Cory Izacks | 1 | 1 |
| Irene Karas | Officer Williams | Mickey | 1 | 1 |
| Tracy Waterhouse | Teresa | Debra | 1 | 1 |
| Brendan Beiser | Steve | Ben Powell | 1 | 1 |
| Daryl Shuttleworth | Lincoln's Father (Alt Universe) | Burns | 1 | 1 |
| David Bloom | Neo Observer | Expert | 1 | 1 |
| John R. Taylor | Winston | Old Man Rivers | 1 | 1 |
| Terry Howson | Lead Cop | Alien | 1 | 1 |
| Tom Pickett | Dead Singer / Corpse #1 | Security Guard | 1 | 1 |
| Brent Chapman | TSA Agent | Officer | 1 | 1 |
| Haig Sutherland | Ned Dolan | Will Monroe | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.