All 122 actors in both Fringe and The Flash
122 actors have appeared in both Fringe and The Flash, across 284 episodes. The most-credited is Patrick Sabongui, Ahmed in Fringe and David Singh in The Flash.
| Actor | In Fringe | In The Flash | Eps | Eps |
|---|---|---|---|---|
| Patrick Sabongui | Ahmed | David Singh | 1 | 45 |
| Michelle Harrison | Natalie Dancik | Nora Allen, Speed Force Nora, Joan Williams | 1 | 31 |
| Mark Sweatman | Oscar | Norvock | 1 | 8 |
| Demore Barnes | Agent Bill Hubert | Henry Hewitt | 1 | 3 |
| Lossen Chambers | Cashier | Doctor Vanessa Ambres | 1 | 7 |
| William Sadler | Dr. Bruce Sumner | Simon Stagg | 2 | 1 |
| Diana Bang | Nora | Inspector Tao / Lady Chronos | 1 | 1 |
| Ken Camroux-Taylor | Old Senator | Judge Hankerson | 1 | 5 |
| Richard Harmon | Teenager | Owen Mercer | 1 | 5 |
| Rowan Longworth | Michael | Albert | 6 | 1 |
| Nickolas Baric | Security Guard | Security Guard #1, Thug #2 | 1 | 3 |
| Paul McGillion | Edwin Massey | Earl Cox | 1 | 3 |
| Chad Riley | ND Agent | Foreman, Goon #2, Security Guard #1 | 2 | 3 |
| Chris Shields | Special Agent Fisher, Special Agent Fisher (Alt Universe) | John Bolen | 4 | 1 |
| Andy Nez | Truck Driver | Brent Osmack / Plant Foreman | 1 | 2 |
| Peter Kelamis | Tobin | Inspector Howard | 1 | 1 |
| Rebecca Husain | Woman in Car | Chef Annabelle | 1 | 1 |
| Sean Carey | Military Guard, Paramedic | Stanley Ellis | 2 | 1 |
| Shawn Stewart | Motorist #1, Truck Driver | Mitch Romero | 2 | 3 |
| Tom Butler | Richard | Eric Larkin | 1 | 2 |
| Charles Zuckermann | Checkpoint Observer | Bert | 2 | 1 |
| Donny Lucas | Orderly Sam | Chip Cooper | 1 | 2 |
| Birkett Turton | Briggs | Eddie Slick / Sand Demon | 1 | 1 |
| Catherine Lough Haggquist | Lucy | Vickie Bolen | 1 | 1 |
| Daniel Cudmore | Daniel Hicks | William Lang / Gridlock | 1 | 1 |
| Fraser Aitcheson | Cop #1 | City Worker #2, Criminal Passenger, Prison Gang-Goon #1 | 1 | 3 |
| Haig Sutherland | Ned Dolan | Griffin Grey | 1 | 1 |
| Sean Owen Roberts | Brian | Clay Stanley | 1 | 1 |
| Silver Kim | FBI Agent #3 | John Loring | 1 | 1 |
| Chris Eastman | CSI Investigator | Mall Cop | 2 | 1 |
| Reese Alexander | Neal | Museum Guard, Prison Guard #2 | 1 | 2 |
| Stephen Huszar | Corporal Wheeler | Jared Morillo / Plunder | 2 | 1 |
| Jeff Sanca | Koenig | Cop, Security Guard #2, STAR Labs Security Guard | 1 | 3 |
| Andy Thompson | Observer, Pilot | Dr. Bruce Bonwitt | 2 | 1 |
| Ash Lee | Security Guard | Stock Broker | 1 | 1 |
| Bruce Crawford | Loyalist Driver in Hummer | JP Chipera, Security Guard #2 | 1 | 2 |
| Charles Raahul Singh | Doctor, Drew the Bartender | Visitor #1 | 2 | 1 |
| James Yi | Agent Romick, Doctor #2 | Lead Scientist | 2 | 1 |
| Jane Hancock | Escalator Rider #2 | Mother | 1 | 1 |
| Jessie Fraser | Kerry Watson | Nurse | 1 | 1 |
| Judith Maxie | Hospital Administrator | Theresa Markel | 1 | 1 |
| Kathryn Dobbs | Older Waitress | Karen Kane | 1 | 1 |
| Matt Ellis | Ritchie | Agent Zak Zeal | 1 | 1 |
| Michael Christopher Smith | FBI Tech Carl | Danton Black | 1 | 1 |
| Peter Bryant | Ben McCalister | Fire Chief | 1 | 1 |
| Rochelle Okoye | ND Agent | Keisha Moore | 1 | 1 |
| Shaine Jones | Tactical Agent Spencer | James Zolomon | 1 | 1 |
| Teach Grant | Trooper Bobby Madison | Clark Bronwen | 1 | 1 |
| Thomas Cadrot | Young Resistance Fighter | Nigel | 1 | 1 |
| Kendall Cross | Nurse Joyce | Mayor Van Buren | 1 | 2 |
| Michael Karl Richards | Translucent Man | Cop #1, Paulson | 1 | 2 |
| Ryan Booth | Officer Jenks | King | 1 | 2 |
| Adrian Neblett | Cab Driver | Shotgun SWAT | 1 | 1 |
| Anja Savcic | Amanda Walsh | Young Mother | 1 | 1 |
| Brian McBride | Man With Bag | CPS Man | 1 | 1 |
| Harrison MacDonald | Teenage Boy | Mold Inspector Rogen | 1 | 1 |
| Jason McKinnon | Loyalist Guard | Driver | 1 | 1 |
| Jovanna Burke | Diana Lamia | Female Realtor | 1 | 1 |
| Larry Hoe | Chinese Worker | Government Official | 1 | 1 |
| Marc Gaudet | Boston Police Officer | Highway Patrolman | 1 | 1 |
| Olivia Cheng | Victoria DiMiro | Linda Park | 1 | 1 |
| Peter Flemming | Loyalist Lieutenant | John Kane | 1 | 1 |
| Sarwan Badesha | Alt Universe Fringe Agent #2 | Cop #1 | 1 | 1 |
| Lucas Wolf | Male Nurse, Observer Physician #2 | Thug #3 | 2 | 1 |
| Phillip Mitchell | Checkpoint Loyalist, Officer Daniel Gillespe | Security Guard | 2 | 1 |
| Alessandro Miro | Neal | Thief #2 | 1 | 1 |
| David Milchard | Harry Millman | Scientist | 1 | 1 |
| Elizabeth McLaughlin | Dr. Alexandra Ross | Theresa Howard | 1 | 1 |
| Jennifer Kitchen | Female CSI | Female Dispacher | 1 | 1 |
| Mike Mitchell | George Reed | Security Guard | 1 | 1 |
| Paul Herbert | Tom | Director Hackshaw | 1 | 2 |
| Paul Jarrett | Dr. Warren Blake | General Matthew McNally | 1 | 1 |
| Paul Moniz de Sa | Niemann | Jeweler | 1 | 1 |
| Robbie Segulam | Motorist #2 | Security Guard | 1 | 1 |
| Roger Haskett | Dr. Harris | Doctor | 1 | 1 |
| Sarah Hayward | Nurse A. Mikita | Tour Guide | 1 | 1 |
| Tracy Trueman | Mom | Dr. Foster | 1 | 1 |
| Trevor Carroll | Morgue Attendant | Max Mercury, Street Punk #2 | 1 | 2 |
| Aaron Craven | Kurt Larsen | Attorney Greg Turk | 1 | 1 |
| Darryl Quon | Orderly | Skullstar | 1 | 1 |
| Dee Jay Jackson | Security Guard | Laundry Guy | 1 | 1 |
| Fraser Corbett | Second Man | Bank Guard | 1 | 1 |
| Gardiner Millar | Observer #2 | Tony Rawlins | 1 | 1 |
| James Michalopolous | Security Guard | Security Guard #1 | 1 | 1 |
| Marlo Franson | Club Doorman | Bill Carlisle | 1 | 1 |
| Paul Lazenby | FBI Agent #1 | Tech Thief #2 | 1 | 1 |
| Peter New | Jimmy Smith | Wdgick | 1 | 1 |
| Rhys Williams | Tattoo Man | Man | 1 | 1 |
| Stephen Lobo | FBI Agent Frazier | Jim Corrigan / The Spectre | 1 | 1 |
| Doug Chapman | Agent, Jeffrey Mayer | City Worker #1 | 2 | 1 |
| Alistair Abell | Chief Scientist | ER Doctor | 1 | 1 |
| Chantele Francis | ND Agent | Annoyed Customer | 1 | 1 |
| Henry Mah | Nurse | Dealer | 1 | 1 |
| Linda Ko | Nurse Darla | NSA Official | 1 | 1 |
| Mike Carpenter | Loyalist Guard #3 | Thug #1 | 1 | 1 |
| Natalie Gibson | Grace | Principal Palizzi | 1 | 1 |
| Will E. McDonald | Security Guard #2 | Truck Guard #1 | 1 | 1 |
| Al Sapienza | Conrad Moreau | Detective Fred Chyre | 1 | 1 |
| Amitai Marmorstein | Store Clerk | Kenny | 1 | 1 |
| Brad Dryborough | Doctor #1 | David Rutenberg | 1 | 1 |
| Serge Jaswal | Lead Tattie | Suit #2 | 1 | 1 |
| Sylvesta Stuart | Dillon | Technician | 1 | 1 |
| Gigi Jackman | Nurse | Bank Teller | 1 | 1 |
| Kasey Kieler | Loyalist Guard With Tracker | Thief #1 | 1 | 1 |
| Patrick Keating | Manager | Older Man | 1 | 1 |
| Patrick Roccas | Blond Man | Prison Guard | 1 | 1 |
| Philip Cabrita | Clerk | Man #1 | 1 | 1 |
| Anthony Harrison | BPD Sergeant | Warden Wolfe | 1 | 1 |
| Kirby Morrow | Maddox | Coach | 1 | 1 |
| Matthew Robert Kelly | FBI in Parking Garage | Coroner | 1 | 1 |
| Nelson Leis | Mikey | Scraggly Witness | 1 | 1 |
| Peter Hall | Shop Proprietor | Vincent Santini | 1 | 1 |
| Hugo Steele | Loyalist in Apartment #1 | Security Guard #1 | 1 | 1 |
| James Ralph | Observer #4 | Osgood Rathaway | 1 | 1 |
| Alan Silverman | Observer With Widmark | Consiglere | 1 | 1 |
| Anthony Shim | Operating Assistant | Police Officer #2 | 1 | 1 |
| Brendon Zub | David Staller | Kyle | 1 | 1 |
| Gary Peterman | Man on Street | Security Guard #1 | 1 | 1 |
| Demord Dann | Uniformed Cop #1 | Security Guard | 1 | 1 |
| Ronald Patrick Thompson | Officer | Samaritan | 1 | 1 |
| Jaren Moore | Loyalist Guard #1 | Plumber | 1 | 1 |
| Ray Boulay | Observer #5 | Construction Worker | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.