All 89 actors in both Supergirl and The Good Doctor
89 actors have appeared in both Supergirl and The Good Doctor, across 252 episodes. The most-credited is Sharon Leal, Megan / M'gann M'orzz in Supergirl and Breeze Brown in The Good Doctor.
| Actor | In Supergirl | In The Good Doctor | Eps | Eps |
|---|---|---|---|---|
| Sharon Leal | Megan / M'gann M'orzz | Breeze Brown | 16 | 4 |
| Graham Verchere | George Lockwood | Young Shaun | 7 | 8 |
| Karin Konoval | Senator Granberry | Nurse Deena Petringa | 1 | 12 |
| Patti Allan | Margot Morrison | Esther | 8 | 2 |
| Donna Benedicto | DEO Agent Reiff | Wren Braxton | 8 | 1 |
| Mila Jones | Esme | Marla Stewart | 8 | 1 |
| Anjali Jay | Serena, Serena (Alternate Earth) | Doctor | 11 | 1 |
| Bethany Brown | Instructor | Nurse Lashelle | 1 | 8 |
| Curtis Lum | Agent Demos | Anthony Baylor | 7 | 1 |
| Andres Joseph | Man | Jake Dahlen | 1 | 2 |
| Italia Ricci | Siobhan Smythe / Silver Banshee | Taryn Wilkie | 5 | 1 |
| Robert Zen Humpage | Fish Head | Prison Guard #1 | 12 | 1 |
| Patricia Isaac | Agent Igle | Nira Joseph | 2 | 2 |
| Claude Knowlton | Silas | Dr. Styles | 3 | 1 |
| Crystal Balint | Secretary Brown | Barb Allen | 3 | 1 |
| Jill Morrison | Bitsie, Second Local | Jenny Waring | 2 | 2 |
| Doron Bell | Detective Rivers | EMT | 1 | 5 |
| Aiden Stoxx | Joey | Tayo Abiola | 2 | 1 |
| Colleen Wheeler | Florence Abbott | Mrs. Larson | 2 | 1 |
| Kari Matchett | Councilwoman Jean Rankin | Liam's Mother | 2 | 1 |
| Kerry Sandomirsky | Felra | Ms. Kunkler | 1 | 2 |
| Kirby Morrow | Officer Dean Petrocelli | Ethan (Shaun's Father) | 3 | 2 |
| Lissa Neptuno | Mr. Average Joe | Nurse Roberta Ocampo | 1 | 4 |
| Angela Moore | Principal Coburn | Nurse Jones | 1 | 3 |
| Hayley Sales | Emily | Zoe Salter | 1 | 2 |
| Jesse Moss | Richard Bates | Kevin Wilks | 2 | 1 |
| Ariah Lee | Alien Girl | Trinity | 1 | 1 |
| Brooke Smith | The Toymaker's Apprentice / Jacqueline Nimball | Sybil Meeks | 1 | 1 |
| Mik Byskov | Mr. Samuel Bernard | Josh Bunker | 1 | 1 |
| Javier Lacroix | Curator | Miguel | 1 | 2 |
| Ryan Mah | Officer | Curtis Joseph | 1 | 3 |
| Adrian Hough | King Brpxz | Paul Huston | 1 | 1 |
| Anthony Ames | Angry Boss | Colson | 1 | 2 |
| Gaalen Engen | Officiant | Farmhouse Owner #2 | 1 | 1 |
| John Murphy | Rock Starman / Derek | Jerry | 2 | 1 |
| Tim Russ | Jul-Us | Chuck | 1 | 1 |
| William MacDonald | James' Surgeon | Bob Cravens | 1 | 2 |
| Aadila Dosani | Claudia | Nurse | 1 | 2 |
| Christina Lewall | Trauma Doctor | Kelly Smith | 1 | 2 |
| Parveen Dosanjh | Dr. Park | Nurse / Scrub Nurse #1 | 1 | 2 |
| Pasha Ebrahimi | General | Wallace Bertrand | 2 | 1 |
| Herbert Duncanson | Male Passenger | Yellow Tagged Man | 1 | 1 |
| Jason Burkart | Customer #3 | Cameron | 1 | 1 |
| Kwesi Ameyaw | Cassian | Dr. Winston Moss | 1 | 1 |
| Lucy Loken | Young Lena | Grace Shelford | 1 | 1 |
| Nitin Prasad | Attendant | Lab Assistant | 1 | 1 |
| Anita Wittenberg | Glee Club Teacher | Sally Grimm | 2 | 1 |
| Candus Churchill | Judge | Candice | 1 | 2 |
| Reese Alexander | Warden | Dr. Dustin Novick | 2 | 1 |
| Tedra Rogers | Bobbi Miller | Joelle | 1 | 2 |
| Conor Stinson O'Gorman | Man | Ezra | 1 | 1 |
| Cynthia Stevenson | Mrs. Queller | Senator Marian Clark | 1 | 1 |
| Demord Dann | Prison Guard | EMT #1 | 1 | 2 |
| Neetu Garcha | Anchor #2, NPC-Reporter | TV Reporter | 2 | 1 |
| Patrick Sabongui | Captain David Singh | Russ Milman | 1 | 1 |
| Sandy Wayne Robson | Scar | Grant Ferlin | 1 | 1 |
| Serge Jaswal | Navigator | Brad | 2 | 1 |
| Theresa Wong | ER Doctor | OB/GYN | 1 | 1 |
| Bronwen Smith | Dee-Dee | Lori | 1 | 1 |
| Iris Quinn | Dean Warren | Dr. Donovan | 1 | 1 |
| Jeremy Schuetze | Rob | Benny Davis | 1 | 1 |
| Madeleine Kelders | Reporter #1 | Radiology Tech | 1 | 1 |
| Moire Kiyingi | Nurse | Guard | 1 | 1 |
| Sawyer Fraser | 6 Year Old Boy | Nico | 1 | 1 |
| Shayn Walker | Police Officer | Burly Guy | 1 | 1 |
| Desiree Zurowski | US Attorney Webb | Shelly | 1 | 1 |
| J-C Roy | Guard 1 | Jason | 1 | 1 |
| Kapila Rego | Lena's Assistant | EMT | 1 | 1 |
| Meghan Gardiner | Soccer Mom | Cecile LaDuff | 1 | 1 |
| Melice Bell | Ashley | Nurse Walden | 1 | 1 |
| Roman Podhora | Jury Foreman | Callum Reilly | 1 | 1 |
| Taylor Hastings | Adelaide Swanson | Surgical Assist | 1 | 1 |
| Toni Marie Nielsen | News Anchor #2 | Mom | 1 | 1 |
| Kareem Malcolm | Another Student | Physio Tech | 1 | 1 |
| Michel Issa Rubio | Doorman | Adelmo's Dad | 1 | 1 |
| Nick Hunnings | Kopy | EMT #2 | 1 | 1 |
| Shaughnessy Redden | Kryptonian Emissary | Psychiatrist | 1 | 1 |
| Wonita Joy | Judge | Mrs. Williams | 1 | 1 |
| Judith Maxie | Judge Hobart | Chuck's Wife | 1 | 1 |
| Paul Piaskowski | Seller | Terry | 1 | 1 |
| Peter Hall | NPC-Abe Lincoln | Farmhouse Owner #1 | 1 | 1 |
| Donald Sales | Platoon Captain | Controller | 1 | 1 |
| Isaiah Sawatzky | Young Boy with Drone | Patient's Grandson | 1 | 1 |
| Tarun Keram | Henry / Man in Tank | Jake | 1 | 1 |
| James Kot | DEO Agent Two | Jimmy Petringa | 1 | 1 |
| Elizabeth McCallum | City Councilmember | Avery's Mother | 1 | 1 |
| Raf Rogers | Earl | Laboring Woman's Husband | 1 | 1 |
| Marci Chimich | Funeral Parlor Employee | Dr. May Curtis | 1 | 1 |
| Ese Atawo | Counter Protestor | Ramona Garcia | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.