Rudolf Fernau

Dr. Frank Crippen

René Deltgen

Chief Inspector Düwell

Anja Elkoff

Cora Crippen

Gertrud Meyen

Lucie Talbot

Rolf Weih

Arnoldi

Max Gülstorff

"Montrose"-Captain Kendall

Paul Dahlke

Crippen's Attorney

O.E. Hasse

Prof. Morrison

Ernst Waldow

Dr. Hidden