Calificación
Reparto

Mark Stevens
Dr. Frank Overton

Marianne Koch
Dr. Helen Wieland

Wolfgang Lukschy
Inspector Prenton

Joachim Hansen
Tony Stein

Delphi Lawrence
Joan Overton

Walter Rilla
Sir Keith

Helmut Weiss
Chairman

Albert Bessler
Martin

John Longden
Prof. Hubbard

Sigurd Lohde
Dr. Karl Merkheimer

Wolfgang Gunther
Sgt. Grun