Marc Singer as Dar

Kari Wuhrer as Jackie Trent

Sarah Douglas as Lyranna

Wings Hauser as Arklon

Robert Fieldsteel as Bendowski

Arthur Malet as Wendel

Robert Z'Dar as Zavic

James Avery as Lt. Coberly

Mark Roberts as Herbert Trent

Michael Berryman as Pilgrim #1

David Carrera as Punker #1

Carl Ciarfalio as Policeman #2

Gordon Greene as Gate Sentry

Lawrence Mandley as Army Guard

Dick Warlock as Scientist #1

Paul Goodman as Troy Saunders

Larry Dobkin as Admiral Binns

Jim Eagle as Soldier

Vic Trevino as Driver

Wayne Pére as Punker #2

Rex Pierson as Salesman

Frank Welker as Sharak / Kodo / Podo / Ruh (voice)

Dan Woren as Policeman #1

Richard L. Duran as Guard #1

Tai the Elephant as Elephant (uncredited)