All 94 actors in both Grey's Anatomy and Young Sheldon
94 actors have appeared in both Grey's Anatomy and Young Sheldon, across 608 episodes. The most-credited is Valerie Mahaffey, Donna Kaufman in Grey's Anatomy and Ms. Victoria MacElroy in Young Sheldon.
| Actor | In Grey's Anatomy | In Young Sheldon | Eps | Eps |
|---|---|---|---|---|
| Valerie Mahaffey | Donna Kaufman | Ms. Victoria MacElroy | 1 | 14 |
| Rachel Bay Jones | Carly Davis | Audrey McAllister | 1 | 11 |
| Will Sasso | Jet / Maintenance Worker | Jim McAllister | 2 | 10 |
| Winston Story | Dr. Leo Byrider | Nelson | 20 | 1 |
| Bill Fagerbakke | Roy Mackinaw | Officer Jake Rutledge | 1 | 4 |
| Kerry O'Malley | Jane Collins | Fran | 1 | 1 |
| Marla Gibbs | Joyce Ward | Doris | 4 | 1 |
| Tim Griffin | Ronny O'Malley | Clint Watson | 5 | 1 |
| Cleo King | Robin | Mrs. Costello | 3 | 1 |
| Drew Powell | Carl Shatler | Roy | 1 | 3 |
| Greg Pitts | Jerry O'Malley | Bruce | 5 | 1 |
| Caleb Emery | Julius | Darren | 1 | 3 |
| Ed Ackerman | Eyeball Man | Nate | 1 | 2 |
| Karly Rothenberg | Ruth Bennet | Mrs. Veazey | 1 | 1 |
| Larry Cedar | Dr. Cohn | Lawrence | 1 | 1 |
| Rob Brownstein | Larry | Malcolm Green | 1 | 1 |
| Rocky McMurray | Hunter | Judge Landry | 1 | 1 |
| VyVy Nguyen | Jacki | Trang Nguyen | 1 | 2 |
| Wallace Langham | Dr. Steve Corridan | Dr. Edward Pilson | 1 | 1 |
| David Haley | Paramedic #2 | Adam | 4 | 1 |
| Hilda Boulware | Ante Ndugu | Judy | 3 | 1 |
| Dave Florek | Herman Crum | Dr. Eberland | 1 | 2 |
| Jeff Doucette | Warren Sterman | Leslie Gance | 2 | 1 |
| Rebecca Metz | Brenda Lawson | Officer Gilroy | 1 | 2 |
| Robert Picardo | Mr. Nelligan | Professor Salzman | 2 | 1 |
| Amanda Payton | Dr. Daphne Lopez | Meredith | 1 | 1 |
| Amy Farrington | Mary May | Dr. Sandra Thorpe | 1 | 1 |
| Christopher Carrington | Sam Kenton | Dealer | 1 | 1 |
| Frances Conroy | Eleanor | Dr. Flora Douglas | 1 | 1 |
| Jason Kelley | Chuck | Moving Guy | 1 | 1 |
| Ivan Mok | James | Oscar | 1 | 2 |
| Brent Jennings | Charles Redford | Henry | 1 | 1 |
| Janet Song | Desk Worker | Dr. Cheng | 1 | 2 |
| Stacie Greenwell | Mrs. Vanderburg | Helen | 1 | 1 |
| Valeri Ross | Lois | Harriet | 1 | 1 |
| Wayne Wilderson | Bill Adams | Dr. Gilbert | 1 | 1 |
| Alfred Woodley | Driver | Shawn | 2 | 1 |
| Paul Syre | Kayden Lee | Student #2 | 2 | 1 |
| Alan Heitz | Applicant #1 | Edgar | 1 | 1 |
| Brandee Steger | Mrs. Lima | Dr. Bell | 1 | 1 |
| Carlease Burke | Mrs. Gates | Mrs. Ebner | 1 | 1 |
| Corey Mendell Parker | Brian Wilson | Customer | 1 | 1 |
| Jan Hoag | Wheezing Patient | Gwen | 1 | 1 |
| Jason Kravits | Chuck Rubin | Dr. Ronald Hodges | 1 | 1 |
| Liz Jenkins | Guard #3 | Madge | 1 | 1 |
| Marty Ryan | Zach Mischer | Umpire | 1 | 1 |
| Pilar Holland | Dr. Lynne Cohen | Gloria | 1 | 1 |
| Rick Peters | Sean Greene | Mr. Boggs | 1 | 1 |
| Sonya Leslie | Rita | Rhonda | 1 | 1 |
| Susan Chuang | Naomi Evans | Dr. Lee | 1 | 1 |
| Yeniffer Behrens | Laura Medina | Teresa | 1 | 1 |
| Amanda Kubota | Teenager #3 | Student #2 | 1 | 1 |
| Aneasa Yacoub | Emma | Diane | 1 | 1 |
| Audrey Wasilewski | Nicole Waldman | Joann | 1 | 1 |
| Brian Chenoweth | Scared Guy | Prayer Group #4 | 1 | 1 |
| Carol Ann Susi | Mrs. Dorsokowski | Mrs. Wolowitz | 1 | 1 |
| Duane R. Shepard, Sr. | Trial Patient #5 | Mr. Bustifer | 1 | 1 |
| Harrison Xu | Gerard | Paul | 1 | 1 |
| John Rubinstein | Keith Kalber | Rabbi Schneiderman | 1 | 1 |
| Karen Y. McClain | Reaves | Doreen | 1 | 1 |
| Kevin D'Arcy | Heart Patient | DMV Employee | 1 | 1 |
| Mark L. Taylor | Dave Buckley | Lyndon | 1 | 1 |
| Maurice Hall | Major William Allen | Floyd | 1 | 1 |
| Michelle N. Carter | Exam Proctor | Anita | 1 | 1 |
| Phil Hendrie | Bo Best | Albert Einstein | 1 | 1 |
| Sharon Omi | Worried Tenant | Librarian | 1 | 1 |
| Stewart Skelton | Dr. Fischer | Dr. Adams | 1 | 1 |
| Teddy Vincent | Elderly Woman | Woman on Bus | 1 | 1 |
| Zakary Shawn Risinger | Nash | Danny | 1 | 1 |
| Andy Forrest | Maintenance Worker | Manager | 1 | 1 |
| Anthony M. Bertram | Pastor | Officer Smith | 1 | 1 |
| Anthony S. Johnson | Transplant Surgeon | Prayer Group #3 | 1 | 1 |
| Carol Mansell | Veronica | Mrs. Krawcynski | 1 | 1 |
| Kevin Will | Len Gantry | Lucas | 1 | 1 |
| Mason McCulley | Ryan | Pastor Andy | 1 | 1 |
| Adam Kulbersh | Tommy | Fred Murphy | 1 | 1 |
| Dale Raoul | NICU Nurse | Melissa | 1 | 1 |
| Gerald Downey | Dr. Kenton Giles | Jim | 1 | 1 |
| J. Rene Pena | Female Driver | Caroline | 1 | 1 |
| Stacey Moseley | Donna | Carol | 1 | 1 |
| Alan Rachins | Louie | Vern | 1 | 1 |
| Emily Berry | Screaming Woman | Janice | 1 | 1 |
| John Eddins | Firefighter | Paramedic | 1 | 1 |
| Monica Garcia | Peds Nurse | Coughing Teacher | 1 | 1 |
| Ben Stillwell | James Leggett | Lyle | 1 | 1 |
| Bob Rumnock | ND Doctor | Older Man | 1 | 1 |
| Michelle Meredith | Niki | Wendy | 1 | 1 |
| Miller Tai | Carl | Clark | 1 | 1 |
| Susan Grace | Jane | Older Woman | 1 | 1 |
| Lenora May | Sheila | Patricia | 1 | 1 |
| Arriane Alexander | Gate Attendant | Customer #2 | 1 | 1 |
| Nick Armstrong | David | Patron | 1 | 1 |
| Kirk Bovill | Brian Turner | Actor #1 | 1 | 1 |
| Timothy E. Goodwin | Len | Shifty Fellow | 1 | 1 |
← Grey's Anatomy × Young Sheldon
Cast data from TVmaze, licensed CC BY-SA 4.0.