Delitto al microscopio

Van Heflin

Gordon McKay

Marsha Hunt

Jane Mitchell

Lee Bowman

Gerald I. Ladimer

Samuel S. Hinds

Mayor Daniels

Cliff Clark

Captain Lynch

Eddie Quillan

Eddie Wright

John Litel

Matty

Cathy Lewis

Bessie Wright (as Catherine Lewis)

Nella Walker

Mrs. Daniels

Robert Blake

Boy in Car (uncredited)

Leon Belasco

Chris Spyro - Cook (uncredited)

Margaret Bert

Miss Huser - Mayor's Secretary (uncredited)

Eugene Borden

Pierre - Headwaiter (uncredited)

Roy Brent

Suspect (uncredited)

George M. Carleton

Taggart - Third Politician (uncredited)