All 168 actors in both ER and Scrubs
168 actors have appeared in both ER and Scrubs, across 513 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and Rebecca in Scrubs.
| Actor | In ER | In Scrubs | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | Rebecca | 149 | 1 |
| Charles Rahi Chun | Ben's Dad | Dr. Wen | 1 | 20 |
| J.P. Manoux | Dr. Dustin Crenshaw, Mime | Charlie | 24 | 1 |
| Windell D. Middlebrooks | Arnie | Captain Duncook | 1 | 6 |
| George Miserlis | Fireman #2 | Crispin | 1 | 14 |
| Julianna Margulies | Nurse Carol Hathaway | Neena Broderick | 1 | 2 |
| Paul Dooley | Henry Lewis | Paul | 4 | 1 |
| Cody Estes | Rudy | Young J.D. | 1 | 6 |
| Philip McNiven | Psych Orderly | Roy | 1 | 13 |
| Robert Clendenin | Anesthesiologist | Dr. Paul Zeltzer | 1 | 6 |
| Michael Weston | Rafe Hendricks | Private Brian Dancer | 2 | 4 |
| Bellamy Young | Grace | Dr. Miller | 1 | 5 |
| Kathryn Joosten | Lois | Mrs. Tanner | 1 | 2 |
| Stuart McLean | X-Ray Tech, Mike Devore | Dr. Gold | 12 | 1 |
| Michael Patrick McGill | Detective Ed Bernstein, Security #1, Officer Jeffries | Officer Brady | 6 | 1 |
| Don Perry | Dr. Stan Breedlove | Mr. Bober | 2 | 2 |
| Elizabeth Bogush | Debra Strickland | Alex | 1 | 3 |
| Donald Sage MacKay | Detective Lash | Doctor, Doctor #1, Dr. Page | 1 | 5 |
| Hattie Winston | Singing Woman | Margaret Turk | 1 | 2 |
| Freddy Rodriguez | Simon | Mark Espinosa | 1 | 3 |
| Monica Allgeier | Vanessa | Nurse Tisdale | 1 | 3 |
| Jack Shearer | Hal Grunwald | Aaron Simon | 1 | 2 |
| Ken Lerner | Harry Stopak, Stan Seidel | Mr. James | 2 | 1 |
| Marshall Manesh | Babu | Akbar | 1 | 2 |
| Walter Addison | Mr. Kane | Ben | 1 | 2 |
| Lindsay Hollister | Theresa Matthews | Nell | 1 | 1 |
| Ned Bellamy | Detective | Dr. Green | 2 | 2 |
| Paul Collins | Dr. Norm Middleton | Dr. Benson | 1 | 1 |
| Travis Wester | Eric | David Morrison | 1 | 1 |
| Joe Manganiello | Officer Litchman | Chad Miller | 4 | 1 |
| Ming Lo | Lindsey Jang | Dr. Kim | 1 | 2 |
| Carol Hickey | Clerk | Mrs. Donnelly | 1 | 1 |
| David Warshofsky | Hostage Negotiator | Dave Bradford | 1 | 1 |
| Duke Stroud | Uncle Liam | Board Member | 1 | 1 |
| Efren Ramirez | JImmy | Ricky | 1 | 1 |
| Joey Saravia | Riley | Ralphie | 1 | 2 |
| Juanita Jennings | ICU Doctor, Mrs. Davis | Dr. Munson | 2 | 1 |
| Larry Sullivan | Martin Pryor | Eric Coleman | 1 | 1 |
| Mike Weinberg | Tommy | Tyler | 1 | 1 |
| Stacy Barnhisel | Nancy | Mrs. Marrick | 1 | 1 |
| T.J. Hall | Saige | Young Turk | 1 | 1 |
| Eamonn Roche | Mr. Lang | Buzz, Mr. Clark | 1 | 3 |
| Arthur Roberts | Harrison | Board Member | 1 | 2 |
| Cullen Douglas | Marvin | Patrick, Two O'Clock Man | 1 | 2 |
| Janelle Marra | Heather Tartaglia | Nurse, Sheila | 1 | 2 |
| Judy Jean Berns | Mrs. Fredriksson | Mrs. Stonewater | 1 | 2 |
| Ross Mackenzie | Fred | Man, Patient | 1 | 2 |
| Tracy McCubbin | Carolyn Gattney, Nurse | Nurse Seila | 2 | 1 |
| Yvonne Arias | Ice Skater | Nurse Martinez | 1 | 2 |
| Bob McClurg | Minister | Car Driver | 1 | 1 |
| Gary Ballard | Arnold Plum | Mr. Biegel | 1 | 1 |
| Paul Raci | Mr. Spencer | Drunk Guy | 1 | 1 |
| Sam Jaeger | Mr. Urman | Steve Larkin | 1 | 1 |
| Susan Grace | Gloria | Woman | 1 | 1 |
| Helen Geller | Jean, Mrs. Reynolds | Mrs. Fishman | 2 | 1 |
| Ingo Neuhaus | Cop, McNally | Hermann Mueller | 2 | 1 |
| Jennifer Jostyn | Prosthetist | Dr. Simmons | 2 | 1 |
| Paul Adelstein | Hank Loman, Paul | Dr. Stone | 2 | 1 |
| Paul Hipp | Craig Turner | Marc | 2 | 1 |
| Alexandra Lee | Katie | Young Elliot | 1 | 2 |
| Alison White | Scrub Nurse | Butch Doctor | 1 | 1 |
| Art Frankel | Ralph Meyers | Mr. Foster | 1 | 1 |
| Benjamin King | Costi | Milos | 1 | 1 |
| Betty A. Bridges | Cashier | Ms. Simmons | 1 | 1 |
| Cynthia Frost | Mrs. Fruhman | Mrs. Grodberg | 1 | 1 |
| Edward James Gage | Orderly | Cop | 1 | 1 |
| Ellen Albertini Dow | Mrs. Riblet | Betty | 1 | 1 |
| Femi Emiola | Lena | Young Woman | 1 | 1 |
| Frank Novak | Ted | Pat Rosell | 1 | 1 |
| Gina Morelli | Mirissa | Mother | 1 | 1 |
| Ginna Rutter | Vivian | 75-Year Old Lucy | 1 | 1 |
| Glynn Turman | Mr. Holmes | George | 1 | 1 |
| Gregory Hinton | Security Guard | Bouncer | 1 | 1 |
| Jeanette Miller | Beverly, Flora | Betty | 2 | 1 |
| Juan Carlos Cantu | Mr. Rodriguez | Hector | 1 | 1 |
| Judy Kain | Thomas | Irene Kelly | 1 | 1 |
| Julie Pop | Hannah, Mary Gitlitz | Lulu Tarasi | 2 | 1 |
| Larry Udy | Evidence Tech | Mr. Grimmett, Mr. Weisfelner | 1 | 2 |
| Lee Arenberg | Juke | Dr. Moyer | 1 | 1 |
| Linda Tran | Bua Thanh | Noelle | 1 | 1 |
| Myra Turley | Monica Ford | Woman | 1 | 1 |
| Phyllis Applegate | First Old Lady | Mrs. Kaye | 1 | 1 |
| Wesley Leong | Newstand Guy | Mr. Kwan | 1 | 1 |
| Brian Catalano | Officer Cash | Yuppie | 1 | 1 |
| Brian McGovern | Rob | Dr. DiStefano | 1 | 1 |
| Cheryl White | Meryl Sites | Miss Himsel | 1 | 1 |
| Damara Reilly | Estelle | Mrs. Koppleman | 1 | 1 |
| David Clennon | Jared Morgan | Dr. Turner | 1 | 1 |
| David St. James | Kaplan | Mr. Sommers | 1 | 1 |
| Earl Schuman | Leonard | Patient | 1 | 1 |
| Eric Saiet | Alex Dibble | Jerry Donovan | 1 | 1 |
| Gary Kraus | CJ | Salesman #2 | 1 | 1 |
| Lou George | Driver | Tailor | 1 | 1 |
| Marcus Folmar | Foreman | Mr. Tillman | 1 | 1 |
| Mary-Margaret Lewis | Maid | Woman | 1 | 1 |
| Peter Jacobson | Susan's molester | Mr. Foster | 1 | 1 |
| Rebecca Metz | Waitress | Volunteer Woman | 1 | 1 |
| Takayo Fischer | Trinnie | Mrs. Cheng | 1 | 1 |
| Tim Haldeman | Dr. Robert Wilson | Mr. Warner | 1 | 1 |
| Carole Goldman | Bartender, Doc | Mrs. Goldstein | 2 | 1 |
| Adam Conger | Guidry | Charles | 1 | 1 |
| Allison Smith | Denny | Millie | 1 | 1 |
| Bob Rumnock | Phillip Berk | Patient | 1 | 1 |
| Christopher Darga | Wilson | Homeless Steve | 1 | 1 |
| Dayo Ade | James Rollins | Mr. Hovey | 1 | 1 |
| Duane R. Shepard, Sr. | Janitor | Mr. Morrison | 1 | 1 |
| Esther Mercado | Carmine | Mrs. Guerrero | 1 | 1 |
| James Carraway | Hayslip | Patient | 1 | 1 |
| Jeffrey Hutchinson | Richard Weingarten | Dr. Berman | 1 | 1 |
| Kyle Sullivan | Nicholas Rosato | Brian | 1 | 1 |
| Linda Porter | Inga Paulson | Old Woman | 1 | 1 |
| Mark Chaet | Tim | Dr. Greenberg | 1 | 1 |
| Ric Sarabia | Drunk | S&M Guy | 1 | 1 |
| Robert Noble | Santa | Chaplain | 1 | 1 |
| Stacey Hinnen | Bolog | Mr. Morgan | 1 | 1 |
| Sterling Beaumon | Danny Raskin | Josh | 1 | 1 |
| Steve Tom | MacPherson | Narrator / Doctor | 1 | 1 |
| Time Winters | Emil Savka | Jesus | 1 | 1 |
| Wes Robinson | Grant | Jake | 1 | 1 |
| Blair Williamson | Jimmy | Craig | 1 | 1 |
| Charles C. Stevenson Jr. | Capt. Eddie | Patient | 1 | 1 |
| Geoffrey Wade | Darrell Amos | Dr. Bailey | 1 | 1 |
| Henry LeBlanc | Bartender | Eric McNair | 1 | 1 |
| Jeffrey Stubblefield | Trimbody | Frank | 1 | 1 |
| Jennifer Lothrop | Supervisor | Girl | 1 | 1 |
| Jesus Perez | Jose Acuna | Taco Stand Worker | 1 | 1 |
| Jo Deodato Clark | Margaret Scarletti | Mrs. Nickels | 1 | 1 |
| Joe Costanza | Mitchell | Mr. Kellerman | 1 | 1 |
| Joe Sabatino | Pilot | Cop | 1 | 1 |
| Kevin West | Robert Sanders | Mr. Mehleison | 1 | 1 |
| Kymberly Newberry | Mrs. Bryant | Dr. Allan | 1 | 1 |
| Michael Edwin | Drunk Man | Mr. Bell | 1 | 1 |
| Paul Webster | Sheriff Radford | Mr. Winston | 1 | 1 |
| Shelley Malil | Dr. Urami | Bartender | 1 | 1 |
| Sulekha Ebelle | Asha | Janice | 1 | 1 |
| Tate Hanyok | Claire | Debbie | 1 | 1 |
| Beverly Polcyn | Marjorie | Dyslexic Woman | 2 | 1 |
| Alpheus Merchant | Elderly Man | Sleeping Patient | 1 | 1 |
| Barry Cutler | McCollum | Brett | 1 | 1 |
| Colin Martin | Jimmy's Brother | Patient | 1 | 1 |
| Jan Devereaux | Francis | Female Resident | 1 | 1 |
| Jennifer Leigh Warren | Sonya | Patient #2 | 1 | 1 |
| Jerry Kernion | Bartender | Cotton Candy Man | 1 | 1 |
| John David Conti | Tony Pipitone | Patient | 1 | 1 |
| John Maynard | Flasher | Random Doctor | 1 | 1 |
| Noel Arthur | Sgt. Parker | Frat Guy | 1 | 1 |
| Dutch Hofstetter | Bobby | Young Dr. Cox | 1 | 1 |
| James Ritz | Mr. Jablonski | Mr. Hicks | 1 | 1 |
| Marjorie Lovett | Colostomy bag lady | Mrs. Sheldon | 1 | 1 |
| Mary Kathleen Gordon | Rose | Mrs. Cole | 1 | 1 |
| Naomi Serotoff | Grace | Old Woman | 1 | 1 |
| Robert Dolan | Pediatrician | Mr. Winston | 1 | 1 |
| Stephon Fuller | Transport Tech Jim | Salesman #3 | 1 | 1 |
| Yolanda Snowball | Neighbor | Woman | 1 | 1 |
| Brad Koepenick | Hopkins Candidate | Mitchell | 1 | 1 |
| Dylan Bell | Kid | Kid | 1 | 1 |
| Jack Yang | Bevan Wong | Patient | 1 | 1 |
| Mark Ankeny | Electrician | Mr. Swick | 1 | 1 |
| Monica Garcia | Benita Escobar | Sperm Bank Nurse | 1 | 1 |
| Sam Menning | Hank | Mr. Booker | 1 | 1 |
| Samara Frame | Sandra | Radiologist | 1 | 1 |
| Steven Montfort | Workman | Softball Player | 1 | 1 |
| Toshi Toda | Japanese Businessman 1 | Mr. Chuang | 1 | 1 |
| Opender Singh | Patel | Omar | 1 | 1 |
| Katya Abelski | Christy | Child #2 | 1 | 1 |
| Wells Rosales | Cory | Student | 1 | 1 |
| Hayden Bromberg | Liam | Another Kid | 1 | 1 |
| Darlene Kardon | Elderly Woman | Patient #1 | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.