Walter McGrail
— Vincent 'Lanny' Landers
Queenie Smith
— Ollie O'Dea
Irving Pichel
— Lester Owens
Donald Reed
— Billy Westrop
Willy Castello
— Eddie Geller
Duncan Renaldo
— Tony Blank
Joy Hodges
— Peppy
Richard Tucker
— Chief Agent John Adams
Malcolm McGregor
— Silky Samuels
Hans Joby
— Schmidt
George Eldredge
— Prosecuting Attorney Ames
Henri Menjou
— Smaltz
David MacDonald
— Goodwin
William Royle
— Police Capt. Hall
Harry Harvey
— Speedy