John Agar

Dr. Curt Taylor (archive footage)

Ethan Allen

(archive footage)

John Ashley

Stan Kenyon (archive footage)

Susan Bjurman

Anne Taylor (archive footage)

Bob Cowan

Cpl. Culver (archive footage)

Warren Hammack

Lt. Robertson (archive footage)

Cynthia Hull

Susan Rogers (archive footage)

Tony Huston

Culver's Sergeant (archive footage)

Bill Peck

(archive footage)

Jordan Lopez

Rakor space gorilla (uncredited)

Jordan Lopez