All 56 actors in both Grey's Anatomy and The Office
56 actors have appeared in both Grey's Anatomy and The Office, across 669 episodes. The most-credited is Ameenah Kaplan, Makena in Grey's Anatomy and Val in The Office.
| Actor | In Grey's Anatomy | In The Office | Eps | Eps |
|---|---|---|---|---|
| Ameenah Kaplan | Makena | Val | 2 | 14 |
| David Denman | Rick Jacobs | Roy Anderson | 1 | 13 |
| Rich Sommer | Noah | Alex | 1 | 3 |
| Karly Rothenberg | Ruth Bennet | Madge | 1 | 6 |
| Amy Pietz | Shelby Lewis | Donna | 1 | 5 |
| Beth Grant | Sheila Olsen | Dwight's Babysitter, Melvina | 1 | 2 |
| Brittany Ishibashi | Talia | Cindy | 1 | 2 |
| Keeshan Giles | Intern #3, Paramedic #2 | Hospital Employee | 3 | 2 |
| Ursula Burton | E.R. Nurse | Hannah Smotridge-Barr | 2 | 7 |
| Nick Armstrong | David | Technician | 1 | 1 |
| Phil Abrams | Dr. Jim Nelson | Shelby Thomas Weems | 3 | 1 |
| Sendhil Ramamurthy | Intern #2 | Ravi | 1 | 3 |
| Nick D'Agosto | Dr. Graham Madden | Hunter | 2 | 3 |
| Cindy Drummond | Gwendolyn Yates, Louis' Wife | Ryan's Mom | 2 | 1 |
| Rae Latt | Nanny | Mother | 3 | 1 |
| Robert Pine | Vincent | Gerald Halpert | 1 | 3 |
| Maile Flanagan | Tech | Phyllis' Sister | 4 | 1 |
| Amy Hill | Joanne | Nail Salon Manager | 1 | 1 |
| Annie Sertich | Peggy Knox | Justin's Date | 3 | 1 |
| Deborah Puette | Trish | Alice | 1 | 1 |
| Drew Powell | Carl Shatler | The Bartender | 1 | 1 |
| Edward James Gage | Adam Keller | Larry Meyers | 1 | 1 |
| Michael Patrick McGill | Bob Corson | Kenny Anderson | 1 | 3 |
| Michael Weston | Quinn Durston | Roger | 2 | 1 |
| Sam Daly | Will Jones | Matt | 1 | 3 |
| Perry Smith | Mrs. Anderson | Betsy Halpert | 1 | 3 |
| Wayne Wilderson | Bill Adams | Martin | 1 | 2 |
| Alan Fudge | Ernie Shelton | Alan Brand | 1 | 1 |
| Alyssa Preston | Kimmy's Mother | Jessica | 1 | 1 |
| Dale Raoul | NICU Nurse | Ronni | 1 | 1 |
| Dee Wallace | Joan Waring | Ellen Bernard | 1 | 1 |
| Frank Maharajh | Paramedic | Dandy Dale | 1 | 1 |
| June Squibb | Dr. Elsie Clatch | Michael's Mom | 1 | 1 |
| Myles Cranford | Old Man | Horse Man | 1 | 1 |
| Patrick O'Connor | Judge Finch | Lester Snyder | 1 | 1 |
| Tina Huang | Roxanne | On-Air Reporter | 1 | 1 |
| Vincent Angelo | Allan | Vendor | 1 | 1 |
| Jean Villepique | ER Nurse | Rachel Wallace | 1 | 2 |
| Bob Gebert | Mario | Mr. Schofield | 1 | 1 |
| David Grant Wright | Mr. Burton | Mr. Sylvie | 1 | 1 |
| Eve Sigall | Old Lady | Nursing Home Resident | 1 | 1 |
| Jesse Mackey | Guard #4 | Jumpsuit Guy | 1 | 1 |
| Larkin Campbell | Mr. Anderson | Shane | 1 | 1 |
| Richard Augustine | Carlos McAdams | Tractor Salesman | 1 | 1 |
| Collette Wolfe | Karin Taylor | Alice | 1 | 1 |
| Emil Beheshti | Man with Plaid Bow Tie | Doug McPherson | 1 | 1 |
| Rob Brownstein | Larry | Salesman | 1 | 1 |
| Sara Van Horn | Nash's Grandma | Store Manager | 1 | 1 |
| Valeri Ross | Lois | Stenographer | 1 | 1 |
| Ed Lauter | Timothy Miller | Sam Stone, Sr. | 1 | 1 |
| Nick Cafero | Doug Millin | Treble | 1 | 1 |
| Shannon Cochran | Mrs. Singleton | Pam's Mom | 1 | 1 |
| Stewart Skelton | Dr. Fischer | Dipido Smith | 1 | 1 |
| Tom Bower | Mr. Schultz | Heinrich | 1 | 1 |
| Ross Mackenzie | Dr. Mitchell | Dennis | 1 | 1 |
| Jeffrey Muller | Code Team Person | Mark | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.