Wayne Knight

Newman

49 eps

Larry David

George Steinbrenner (voice) / George Steinbrenner / George Steinbrenner / Prisoner (voice) / John F. Kennedy Jr. / Man on Raft #1 / Subway Announcer (voice) / Character in Checkmate (voice) / Newsstand Owner (voice) / Man with Cape / Airport Announcer (voice) / Office Worker / Steinbrenner / Man At Softball Game (voice) / Man on the Street (voice) / Man at Table (voice) (uncredited) / The Car Thief (voice) / Heckler (voice) / Offstage Voice (voice) / Soap Opera Director (voice) / Country Club MC (voice) / Sports Commentator / Limo Dispatcher (voice) / Newman (voice) / Saddam Hussein (voice) / Kosher Meal Passenger (voice) / Man in Hallway / Police Officer (voice) / Man on Beach (voice) / Boxing Referee on TV (voice)

44 eps

Heidi Swedberg

Susan Ross

30 eps

Norman Brenner

Man on Sidewalk / Man In Store / Man in Bar / Man on 'Jerry' Set / Man on Bus / Chef / Coworker / Man / Manager / Clerk / Man in Restaurant / Man Waiting in Restaurant (uncredited) / Man in Library / Orderly / Man Sitting In Diner / Rider / Beder / Ian / Moviegoer / Passerby / Man In Party / Man at Airport / Man Walking Into Elevator / Man In Coffee Shop

29 eps

Estelle Harris

Estelle Costanza

29 eps

Jerry Stiller

Frank Costanza

29 eps

Liz Sheridan

Helen Seinfeld

25 eps

Barney Martin

Morty Seinfeld

24 eps

John O'Hurley

J. Peterman

22 eps

Len Lesser

Uncle Leo

15 eps