Maj. Ken Floyd-Anders
Prof. Larsen
Gilda Larsen (as Yvonne Fourneaux)
Judy (as Rika Dialina)
Dr. Mabuse (archive footage)
Prof. Pohland
Chefarzt
Oberst Matson
Dr. Krishna
Kaspar
Museumsdirektor Botani / Dr. Mabuse
Mario Monta
Jason Monta
Colonel Adams (as Charly Fawcett)
Adm. Quency
Sekretärin Mercedes
Lutto (as Erich K. Koltschak)
Apotheker (as Fedor Schaljapin jun.)
Mercedes (voice) (uncredited)
Direktor Botani (voice) (uncredited)
Col. Matson (voice) (uncredited)
Lotus (voice) (uncredited)
Adm. Quency (voice) (uncredited)
Mario Monta (voice) (uncredited)
Dr. Mabuse (voice) (uncredited)
Dr. Krishna (voice) (uncredited)
Kaspar (voice) (uncredited)