Billy Dannreuther

Gwendolen Chelm

Maria Dannreuther

Peterson

Julius O'Hara

Harry Chelm

Maj. Jack Ross

Ravello

Insp. Jack Clayton

Purser on SS Nyanga

Administrator

Captain of SS Nyanga

Hispano-Suiza Driver

Charles

Barman (uncredited)

Billy Dannreuther (voice) (uncredited)

Ahmed (uncredited)