All Cast
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