Seinfeld

Jerry Seinfeld

Jerry Seinfeld

180 ep.

Jason Alexander

George Costanza

180 ep.

Michael Richards

Cosmo Kramer

180 ep.

Julia Louis-Dreyfus

Elaine Benes

180 ep.

Ruth Cohen

Ruthie Cohen (uncredited)

100 ep.

Wayne Knight

Newman

49 ep.

Larry David

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

44 ep.

Heidi Swedberg

Susan Ross

30 ep.

Estelle Harris

Estelle Costanza

29 ep.

Jerry Stiller

Frank Costanza

29 ep.

Norman Brenner

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

29 ep.

Liz Sheridan

Helen Seinfeld

25 ep.