All 53 actors in both Mom and The Big Bang Theory
53 actors have appeared in both Mom and The Big Bang Theory, across 449 episodes. The most-credited is Lauri Johnson, Beatrice in Mom and Mrs. Gunderson in The Big Bang Theory.
| Actor | In Mom | In The Big Bang Theory | Eps | Eps |
|---|---|---|---|---|
| Lauri Johnson | Beatrice | Mrs. Gunderson | 16 | 1 |
| Sara Rue | Candace Hayes | Dr. Stephanie Barnett | 8 | 3 |
| Kate Micucci | Patty | Lucy | 2 | 8 |
| Octavia Spencer | Regina Thompkins | Octavia | 9 | 1 |
| Courtney Henggeler | Claudia | Missy Cooper | 5 | 2 |
| Melissa Tang | Suzanne | Mandy Chow | 4 | 1 |
| Michelle Arthur | Belinda | Mrs. Petrescu | 2 | 2 |
| Steve Valentine | Rod Connaughton | Kenneth | 3 | 1 |
| Jim Meskimen | Man | Doctor, Man, Minister | 1 | 2 |
| Nicole J. Butler | Woman #1 | Clerk | 2 | 1 |
| Ryan Cartwright | Jeff | Cole | 4 | 1 |
| H Michael Croner | Cliff | Andre | 1 | 1 |
| Jim Turner | Rick | Reverend White | 1 | 1 |
| Joe Manganiello | Julian | Joe Manganiello | 1 | 1 |
| Judy Greer | Michelle | Dr. Elizabeth Plimpton | 1 | 1 |
| Malcolm Foster Smith | Mookie | Roy | 1 | 1 |
| Marcus Folmar | Fireman #2 | Guard, Police Officer, Security Guard | 1 | 3 |
| Rick Fox | James | Glenn | 1 | 1 |
| Caleb Pierce | Glen | Jess | 1 | 2 |
| David Trice | Man | Waiter | 1 | 2 |
| Hermie Castillo | Josh, Kenny | Colin | 2 | 1 |
| Wayne Wilderson | Dr. Butler | Travis | 2 | 1 |
| April Bowlby | Selene | Rebecca | 1 | 1 |
| Becky O'Donohue | GPS Voice | Siri | 1 | 1 |
| Claudia Choi | Woman | Woman #3 | 1 | 1 |
| Dave Theune | Lou | Dr. Graybel | 1 | 2 |
| Ellie Reed | Mackenzie | Jenna | 1 | 1 |
| Jim Holmes | Wayne | Tim | 1 | 1 |
| Joey Rich | Customer | Man | 1 | 1 |
| June Squibb | Dottie | Meemaw | 1 | 1 |
| Max Adler | Officer Blankenship | Zombie | 1 | 1 |
| Peter Onorati | Wayne | Angelo | 1 | 1 |
| Stacey Travis | Deborah | Sandy | 1 | 1 |
| Tiffany Dupont | Alicia | Angela | 1 | 1 |
| Yeardley Smith | Enid | Sandy | 1 | 1 |
| Bob Stephenson | Edward | Wendell | 1 | 1 |
| Dana L. Wilson | Barbara | Dr. Samuels | 1 | 1 |
| David Barrera | Gary | Officer Hernandez | 1 | 1 |
| Doug Morency | Dave | Stranger | 1 | 1 |
| Ian Reed Kesler | Lee | Paramedic #2 | 1 | 1 |
| Josh Banday | Boone | Nolan | 1 | 1 |
| Katherine Von Till | Dixie | Tech Support Recording | 1 | 1 |
| Louise Claps | Linda | Receptionist | 1 | 1 |
| Michael Dempsey | Officer Milliner | Security Guard | 1 | 1 |
| Rodney J. Hobbs | Waiter | Reporter #3 | 1 | 1 |
| Seth Coltan | Andrew | Earl | 1 | 1 |
| Shane Blades | William | Customer | 1 | 1 |
| Krishna Smitha | Cindy | Woman #5 | 1 | 1 |
| Mark Berry | Douglas | Pit Boss | 1 | 1 |
| Monica Garcia | Soledad | Maria | 1 | 1 |
| Susan Chuang | Luanne | Dr. Harris | 1 | 1 |
| Briana Cuoco | Tabitha | Gretchen | 1 | 1 |
| Susan Leslie | Wife | Woman #6 | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.