George Sanders as Gay Lawrence / The Falcon

Wendy Barrie as Helen Reed

James Gleason as Inspector Michael 'Mike' O'Hara

Allen Jenkins as Jonathan 'Goldy' Locke

Mona Maris as Rita Mara

Fred Aldrich as Spectator at Airport (uncredited)

Bobby Barber as Spectator (uncredited)

Roxanne Barkley as Jill (uncredited)

Eddie Borden as Second Taxi Driver (uncredited)

Jack Carr as First Taxi Driver (uncredited)

Eddie Arden as Bellhop (uncredited)

Anthony Blair as Policeman (uncredited)

Jack Chefe as Spectator (uncredited)

Russ Clark as Needles (uncredited)

Leo Cleary as Detective Brody (uncredited)

Hans Conried as Desk Clerk (uncredited)

Alec Craig as Waldo Sampsom / Herman Sampson (uncredited)

Aline Dixon as Spectator (uncredited)

Eddie Dunn as Det. Grimes (uncredited)

Art Dupuis as Joe - The Bartender (uncredited)

William Forrest as Ward (uncredited)

Edward Gargan as Detective Bates (uncredited)

Eddie Hart as Policeman Outside Bar (uncredited)

Youda Hayes as Spectator (uncredited)

Selmer Jackson as Mr. Wallis (uncredited)

Victor Kilian as Max Carlson (uncredited)

Frank Martinelli as Louie (uncredited)

Malcolm 'Bud' McTaggart as Mug (uncredited)

Frank Moran as Dutch (uncredited)

Amarilla Morris as Spectator (uncredited)

Paul Newlan as Policeman at Federal Hotel (uncredited)

Frank O'Connor as Policeman at Accident (uncredited)

Earle Ross as Adolph Meyer (uncredited)

Dick Rush as Desk Sergeant (uncredited)

Elizabeth Russell as Girl On Plane (uncredited)

Mickey Simpson as Policeman (uncredited)

Douglas Spencer as Witness at Accident (uncredited)

Al Sullivan as Policeman (uncredited)

Harry Lee as Mug (uncredited)