Heinz Drache as Humphrey Connery

Ilse Pagé as Miss Finley

Mady Rahl as Catharina Wilson

Otto Stern as Kapitän Wilson

Horst Tappert as Douglas Fairbanks

Tilo von Berlepsch as Lord Beverton

Agnes Windeck as Lady Agathy Beverton

Karin Baal as Jane Wilson

Hans Söhnker as Anwalt Robert Jackson

Uta Levka as Dorothy Cornick

Alexander Engel as Doc Adams

Siegfried Schürenberg as Sir John

Harry Wüstenhagen as Ken Nelson

Rainer Brandt as Tom Heynes

Alfred Vohrer as Edgar Wallace ( Voice )

Arthur Binder as Grimsby

Kurd Pieritz as Edward Baldwin