Edith Heerdegen
— Mrs. Hewlett
Reiner Schöne
— Freddy Malone
Ulrich Faulhaber
— D'Arcy Tuck
Anita Lochner
— Joan Hewlett
Frithjof Vierock
— Oswald Veal
Wolfried Lier
— Kommissar Sibley
Peter Capell
— Sir George Chudleigh
Jaspar von Oertzen
— Chief Inspektor Grierson
Eleonore Noelle
— Mrs. Orlock
Wolf Petersen
— Herry Kernward