Dick Powell

Commissioner Michael Barrows

Signe Hasso

Ann Grant

Maylia Fong

Shu Pan Wu

Ludwig Donath

Nicholas Sokim

Vladimir Sokoloff

Commissioner Lum Chi Chow

Edgar Barrier

Grieg

John Hoyt

George C. Shannon

Marcel Journet

Commissioner Lariesier

Luis van Rooten

Commissioner Alberto Berado

Fritz Leiber

Binda Sha

Harry J. Anslinger

Commissioner H.J. Anslinger

Vernon Steele

Commissioner Lionel Hadley (uncredited)

Richard Loo

Commissioner Lu (uncredited)

Lou Krugman

Commissioner Amar Hassam (uncredited)

Florence Wix

Mrs. Mary Paine (uncredited)

Ivan Triesault

Naftalie Vrandstadter (uncredited)

Harlan Warde

Harry Hardt (uncredited)

Michael Raffetto

Professor Salim (uncredited)

Peter Virgo

Mahmoud (uncredited)

Robert Malcolm

Edward Clark (uncredited)