James Lee Wong

Boris Karloff

Acting

Roberta 'Bobbie' Logan

Marjorie Reynolds

Acting

Capt. William Street

Grant Withers

Acting

Dick Fleming

William Stelling

Acting

Cynthia Wentworth

Catherine Craig

Acting

Paul Fleming

Guy Usher

Acting

Attorney Victor Martin

Henry Brandon

Acting

Cyrus B. Wentworth

Melvin Lang

Acting

Matthews

Wilbur Mack

Acting

Ludlow

Kenneth Harlan

Acting

Tong Leader

Richard Loo

Acting

Mr. Baldwin - Adjuster (uncredited)

Tristram Coffin

Acting

Doctor (uncredited)

Gibson Gowland

Acting

Police Sgt. Casey (uncredited)

Jack Kennedy

Acting

Det. Blake (uncredited)

Bill Willmering

Acting

Det. Mike

Mike Donovan

Acting

Miss Reed - Secretary

Maxine Leslie

Acting

Aged Tong Member

Moy Ming

Acting

Newsboy #3 in Montage

Angelo Rossitto

Acting