Peter van Eyck

Maj. Bob Anders

O.E. Hasse

Prof. Larsen

Yvonne Furneaux

Gilda Larsen

Walter Rilla

Prof. Pohland

Ernst Schröder

Chefarzt

Dieter Eppler

Kaspar

Wolfgang Preiss

Dr. Mabuse

Rika Dialina

Judy

Robert Beatty

Col. Matson

Valéry Inkijinoff

Dr. Krishna

Claudio Gora

Direktor Botani / Dr. Mabuse

Gustavo Rojo

Mario Monta

Massimo Pietrobon

Jason Monta

Charles Fawcett

Cmdr. Adams

Erich Koltschack

Lutto

Feodor Chaliapin Jr.

Apotheker

Leo Genn

Adm. Quency

Yoko Tani

Mercedes

Renate Danz

Mercedes (voice)

Erich Fiedler

Direktor Botani (voice)

Heinz Giese

Col. Matson (voice)

Reinhard Kolldehoff

Lotus (voice)

Arnold Marquis

Adm. Quency (voice)

Gerd Martienzen

Mario Monta (voice)

Joachim Nottke

Dr. Mabuse (voice)

Friedrich Schoenfelder

Jason Monta (voice)

Siegfried Schürenberg

Cmdr. Adams (voice)

Fritz Tillmann

Dr. Krishna (voice)

Alexander Welbat

Kaspar (voice)