Actors in both Seinfeld and The Wonder Years
50 actors have appeared in both Seinfeld and The Wonder Years, across 295 episodes. The most-credited is Barney Martin, Morty in Seinfeld and Old Kevin Arnold in The Wonder Years.
| Actor | In Seinfeld | In The Wonder Years | Eps | Eps |
|---|---|---|---|---|
| Barney Martin | Morty | Old Kevin Arnold | 23 | 1 |
| Ben Stein | Shellbach | Mr. Cantwell | 1 | 11 |
| Richard Fancy | Mr. Lippman, Mr. Breckman | Dr. Valenti | 10 | 2 |
| Raye Birk | Mr. Pless | Mr. Diperna | 1 | 10 |
| Wendel Meldrum | Leslie | Miss White/Mrs. Heimer | 2 | 6 |
| Victor Raider-Wexler | Doctor | 'Pistol Pete' Pedermier | 4 | 1 |
| Biff Yeager | Mr. Heyman | Man, Ned | 1 | 2 |
| Edward Penn | Owen | Minister | 1 | 1 |
| Mark Boone Junior | OTB Patron | Repairman | 1 | 1 |
| Melora Walters | Jane | Waitress | 1 | 1 |
| Paula Marshall | Sharon | Bonnie Douglas | 1 | 3 |
| Lanai Chapman | Housekeeper | Miss Shaw | 2 | 1 |
| Al Ruscio | Manager | Mr. Harris | 2 | 1 |
| Eric Poppick | Maurice | Maitre D' | 1 | 1 |
| Jeremy Roberts | Chauffer | Trooper | 1 | 1 |
| Kimberley Kates | Diane | Carol | 1 | 1 |
| Scott Jaeck | Officer Vogel | Mr. Arlo Bottner | 2 | 1 |
| Carol Mansell | Mother | Jeanne | 2 | 1 |
| A.J. Langer | Abby | Mary Jo Genaro | 1 | 1 |
| Ellen Albertini Dow | Momma | Mrs. Tambora | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.