All 91 actors in both Fringe and Riverdale
91 actors have appeared in both Fringe and Riverdale, across 237 episodes. The most-credited is Martin Cummins, Joe Falls in Fringe and Tom Keller, Mayor Keller in Riverdale.
| Actor | In Fringe | In Riverdale | Eps | Eps |
|---|---|---|---|---|
| Martin Cummins | Joe Falls | Tom Keller, Mayor Keller | 1 | 78 |
| Alvin Sanders | Doorman | Pop Tate | 1 | 70 |
| Peter Bryant | Ben McCalister | Principal Waldo Weatherbee | 1 | 44 |
| Barclay Hope | Andrew Burgess | Clifford Blossom, Claudius Blossom | 1 | 29 |
| Malcolm Stewart | Dr. Levin | Dr. Freiderich Werthers, Francis Dupont | 1 | 26 |
| Greyston Holt | Vince | Glen Scot | 1 | 10 |
| Birkett Turton | Briggs | David | 1 | 3 |
| Peter Kelamis | Tobin | Samm Pansky | 1 | 7 |
| Anna Van Hooft | Nina's Assistant | Ms. Ronson | 4 | 1 |
| Chris Shields | Special Agent Fisher, Special Agent Fisher (Alt Universe) | Mr. Logan | 4 | 1 |
| Juan Riedinger | Craig Shoen | Dodger Dickenson | 1 | 6 |
| Glynis Davies | Landlady | Miss Haggly | 1 | 1 |
| John N. Prowse | Dead Singer / Corpse #2 | Old Man Dreyfus | 1 | 3 |
| Doug Chapman | Agent, Jeffrey Mayer | Trash Bag Killer, Dennis | 2 | 3 |
| Ian Butcher | Observer | Don | 3 | 1 |
| Timothy Webber | Man | Forsythe Pendleton Jones I | 2 | 2 |
| Colin Lawrence | FBI Agent Roach | Coach Clayton | 1 | 6 |
| Maria Marlow | Carolyn | Gilda Snide | 1 | 2 |
| Karen Holness | Diane Broyles (Alt Universe), Diane Broyles | Mrs. Logan | 4 | 1 |
| Victoria Bidewell | Anne | Martha | 1 | 1 |
| Sheila Tyson | Mary | Delores | 1 | 4 |
| Paul Lazenby | FBI Agent #1 | Manager, Inmate #1 | 1 | 3 |
| Peter New | Jimmy Smith | Bobby | 1 | 3 |
| Reese Alexander | Neal | Myles McCoy | 1 | 3 |
| Adam Lolacher | Security Guard #1 | Mr. Manfred Muggs | 1 | 2 |
| Adrian Hough | MIT Professor | Doc | 1 | 2 |
| Andy Thompson | Observer, Pilot | Funeral Director | 2 | 1 |
| Angela Moore | Another Nurse | Sister Agnes | 1 | 2 |
| Christian Sloan | Courier | Shady Man | 1 | 2 |
| Christine Chatelain | Krista Manning | Mrs. Chipping | 1 | 1 |
| Gardiner Millar | Observer #2 | General Taylor | 1 | 3 |
| James Yi | Agent Romick, Doctor #2 | Brotherhood Member #2 | 2 | 1 |
| Lori Ann Triolo | Karen Truss | Agent Ardelia | 1 | 2 |
| Marci T House | Pam | Mrs. Fisher | 1 | 1 |
| Nelson Wong | Scott Watts | Dr. Phylum | 1 | 3 |
| Kwesi Ameyaw | Agent Frug | Dr. Masters | 1 | 2 |
| Todd Mann | Alt. MP #1 | Nico | 1 | 4 |
| Ben Cotton | Impound Clerk | Michael Matthews | 1 | 1 |
| Catherine Lough Haggquist | Lucy | Mrs. Tate | 1 | 1 |
| John Innes | Judge O'Malley | Monsignor Murphy | 1 | 3 |
| Sean Owen Roberts | Brian | Edgy Gangster | 1 | 1 |
| Mackenzie Gray | Observer Physician #1 | Dr. Curdle | 1 | 3 |
| Matteo Stefan | Brian O'Toole | Slash | 1 | 1 |
| Michael Denis | Witness / Jogger | Larry | 1 | 2 |
| Michelle Brezinski | Mrs. Marcello | Simone St. Clair | 1 | 2 |
| Eileen Barrett | Medical Examiner | Cat Lady | 1 | 2 |
| Harrison MacDonald | Teenage Boy | Cassidy Bullick | 1 | 2 |
| Ben Wilkinson | Jeremy Roman | Announcer | 1 | 1 |
| Crystal Balint | ND Agent | Dr. Sherry Winters | 1 | 1 |
| Kevan Ohtsji | Medical Examiner | Club Manager | 1 | 1 |
| Pamela Diaz | Morgue Worker #1 | Spanish Woman | 1 | 1 |
| Veena Sood | HR Head | Headmistress Patricia | 1 | 1 |
| Alex Zahara | Detective Green | Uncle Bedford | 1 | 2 |
| Matthew Mandzij | Fringe Agent | Bouncer | 2 | 1 |
| Dean Marshall | Uniform | Jack Walsh | 1 | 1 |
| Jacqueline Steuart | Renee Davies | Chad's Lawyer | 1 | 1 |
| Jase Anthony Griffith | Museum Security Guard | Stonewall Coach | 1 | 1 |
| Jeremy Jones | Paramedic | Debt Collector #1 | 1 | 2 |
| Enid-Raye Adams | Noreen Miller | Head Nurse | 1 | 1 |
| Gabriel Carter | Loyalist Guard #5 | Scoutmaster | 1 | 1 |
| Nancy Amelia Bell | Adorable Old Woman | Old Lady Willa | 1 | 1 |
| Steve Makaj | Loyalist Commander | Jinx Malloy | 1 | 1 |
| Adrian Neblett | Cab Driver | Mr. Barry | 1 | 1 |
| Elizabeth Thai | ER Doctor | Proctor | 1 | 1 |
| Lane Edwards | Lawyer | Paul Sowerberry | 1 | 1 |
| Paul Herbert | Tom | Homeless Man | 1 | 1 |
| Sharon Taylor | Broyles' Secretary | Tia Margot | 1 | 1 |
| Andrea Kelly Konno | Court Clerk | Prosecutor | 1 | 1 |
| BJ Harrison | Nurse 2 | Gloria | 1 | 1 |
| Jason Simpson | Golden Earring | Serpent Bartender | 1 | 1 |
| Kendall Cross | Nurse Joyce | Ranger | 1 | 1 |
| Kory Grim | Man #1 | Ringleader | 1 | 1 |
| Nickolas Baric | Security Guard | Henchman #1 | 1 | 1 |
| Yasmin Abidi | Nursing Home Attendant | Nurse | 1 | 1 |
| Daniel Martin | Foreman | Tired Man | 1 | 1 |
| Darcy Laurie | Doctor | Shop Owner | 1 | 1 |
| Candus Churchill | Dead Singer / Corpse #3 | Ms. Moore | 1 | 1 |
| Dean McKenzie | Rob | Terrence | 1 | 1 |
| Michelle Addison | Angela Hayes | Britta's Mom | 1 | 1 |
| Tom Pickett | Dead Singer / Corpse #1 | Minister | 1 | 1 |
| Alessandro Miro | Neal | Mario | 1 | 1 |
| Mike Mitchell | George Reed | Henchman #2 | 1 | 1 |
| Patrick Keating | Manager | Willie | 1 | 1 |
| Ian Hawkins | Civil Servant | Five Seasons Manager | 1 | 1 |
| Jaren Moore | Loyalist Guard #1 | Customer | 1 | 1 |
| Jay Clift | Hazmat Agent #1 | Gunman | 1 | 1 |
| Robert Parent | Police Officer | Alpha Stockbroker | 1 | 1 |
| Paul Jarrett | Dr. Warren Blake | Arthur "Artie" Andrews | 1 | 1 |
| Sal Sortino | Grocer | Foreman | 1 | 1 |
| Broadus Mattison | Guard at Bridge | Boy Scout Dad | 1 | 1 |
| Rocky Anderson | Police Officer | Sketchy Trucker | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.