Actors in both ER and Mad About You
149 actors have appeared in both ER and Mad About You, across 507 episodes. The most-credited is Leland Orser, Dr. Lucien Dubenko in ER and Professor Gittleson in Mad About You.
| Actor | In ER | In Mad About You | Eps | Eps |
|---|---|---|---|---|
| Leland Orser | Dr. Lucien Dubenko | Professor Gittleson | 61 | 1 |
| Kathleen Wilhoite | Chloe Lewis | Iris | 19 | 2 |
| Gedde Watanabe | Nurse Yosh Takata | The Speech Writer | 58 | 1 |
| Rick Rossovich | Dr. John 'Tag' Taglieri | Sherman Williams | 11 | 1 |
| Perry Anzilotti | Dr. Perry (Anesthesiologist), Ed | Roy Osterback | 22 | 1 |
| Edward Asner | Dr. James McNulty | Zigmund "Ziggy" Klarik | 3 | 3 |
| Mare Winningham | Dr. Amanda Lee | Sarah McKay | 4 | 2 |
| Iqbal Theba | Dr. Zogoiby | The Cabbie | 4 | 1 |
| Jim Piddock | Dr. Earl Whitehead | Hal, The Logic Professor | 1 | 7 |
| Scott Jaeck | Dr. Steven Flint | Pool Player from A.A. | 12 | 1 |
| Eileen Brennan | Betty | Inspector #10 | 2 | 1 |
| Susan Blommaert | Sarah McKenzie | Miss Grundy, Rita | 1 | 2 |
| Paul Dooley | Henry Lewis | Gus Stemple | 4 | 1 |
| Penny Fuller | Mrs. Constantine | Theresa Stemple | 1 | 4 |
| Dean Cameron | Edward | Irwin | 1 | 3 |
| Eric Christmas | Mr. Heath | Bernard | 1 | 1 |
| José Zúñiga | Eduardo Lopez | Arturo | 2 | 2 |
| Mark Tymchyshyn | Mr. Pruitt | Boat Attendant | 1 | 1 |
| Jeff Cahill | Transport Dispatcher Tony Fig | Keanu the Cabbie | 4 | 1 |
| Judyann Elder | Debra Graham | Nurse Lily | 1 | 4 |
Cast data from TVmaze, licensed CC BY-SA 4.0.