Inspektor Larry Holt
Nora Ward
Rev. Paul Dearborn
Stephen Judd
Sgt. Sunny Harvey
Fanny Weldon (as Ann Savo)
Lew Norris
Sir John
Jacob 'Der Blinde Jack' Farrell (as Adi Berber)
Fred "Flimmer-Fred" (German version) / Flicker-Fred (English version)
Matthew "Matt" Blake
Gordon Stuart
Ella Ward
Sir John Archibald
Edgar Strauss
Junger Polizist (uncredited)
Polizist (uncredited)
Polizeiarzt (German version) / Coroner (English version) (uncredited)
Mr. Jones (uncredited)
Pförtner (uncredited)
(uncredited)
Steinmetz (uncredited)
Mrs. Brooks (uncredited)
Buchprüfer (uncredited)
Wachtmeister (uncredited)
Liliputaner (uncredited)
Chauffeur (uncredited)
Mann von der Fahndungsabteilung / Mordkommission / Fred 'Flimmer-Fred' - Stimme in der 48. Minute (uncredited)
Richard Porter (uncredited)
Polizist Jenkins (uncredited)