Boris Karloff
James Lee Wong
Acting
Marjorie Reynolds
Roberta 'Bobbie' Logan
Acting
Grant Withers
Capt. William Street
Acting
William Stelling
Dick Fleming
Acting
Catherine Craig
Cynthia Wentworth
Acting
Guy Usher
Paul Fleming
Acting
Henry Brandon
Attorney Victor Martin
Acting
Melvin Lang
Cyrus B. Wentworth
Acting
Wilbur Mack
Matthews
Acting
Kenneth Harlan
Ludlow
Acting
Richard Loo
Tong Leader
Acting
Tris Coffin
Mr. Baldwin - Adjuster (uncredited)
Acting
Gibson Gowland
Doctor (uncredited)
Acting
Jack Kennedy
Police Sgt. Casey (uncredited)
Acting
Bill Willmering
Det. Blake (uncredited)
Acting
Mike Donovan
Det. Mike
Acting
Maxine Leslie
Miss Reed - Secretary
Acting
Moy Ming
Aged Tong Member
Acting
Angelo Rossitto
Newsboy #3 in Montage
Acting