Capt. Craig McKenzie / Cmdr. Glenn McKenzie
Dr. Malic / Lt. Hastings
Dr. Ken Tashiro
Lucretia
Dr. Jules Masson
Perry Lawton
Dr. Okada
Tsuruko Okada
Dr. Sugata
Capt. Kroiga
Dr. Anne Barton
Chin
Additional Voices (voice)
Flying Lion/Giant Rat
Man with Gun (uncredited)
Advisor