Edward Arnold

Capt. Duncan Maclain

Frances Rafferty

Jean Hampton

Ray Collins

Phillip Treadway

Paul Langton

Barry Gifford

William Phillips

Marty Corbett

Thomas E. Jackson

Insp. Delaney (as Thomas Jackson)

Morris Ankrum

Ferris (henchman)

Robert Lewis

Stormvig

Francis Pierlot

Kossovsky

Sondra Rodgers

Helen Roberts

Theodore Newton

Gibbs - Chauffeur

Jack Lambert

Louie

Raymond Largay

Arthur Hampton (as Ray Largay)

Leigh Whipper

Alistair

Byron Foulger

Burton Lorrison

Lee Phelps

Polasky

Eddie Acuff

Whitey

Bob Pepper

Sgt. Kramer

Clyde Fillmore

Rodney Hampton

Audrey Totter

Perfume Sales Clerk

Die Spur im Dunkel

The Hidden Eye