Richard Arlen

Mal Stevens

Virginia Bruce

Eleanor Spencer

Alice Brady

Aunt Ethel

Bruce Cabot

Joe Keefer

Eric Linden

Buddy Spencer

Gordon Jones

Tex

Dorothy Appleby

Lola McArdle

Barbara Pepper

Milly Adams

J. Farrell MacDonald

Mr. Keefer

Bodil Rosing

Mrs. Keefer

Matthew Betz

Al Thompson

Joyce Compton

Barbara

Hale Hamilton

Senator Reilly

Sidney Bracey

Butler at Spencer Home

Paul Fix

Sam

Christian Rub

Heinrich Henkel

Harry Woods

Big Bill

Joseph Crehan

Memory Test Instructor

Jonathan Hale

Microscopic Expert

Harvey Stephens

Van Rensseler