Ricardo Cortez as Perry Mason

June Travis as Della Street

Jane Bryan as Wilma Laxter

Craig Reynolds as Frank Oafley

Carlyle Moore Jr. as Douglas Keene

Bill Elliott as Sam Laxter

Nedda Harrigan as Nurse Louise DeVoe

Garry Owen as Paul Drake

Harry Davenport as Peter Laxter

George Rosener as Charles Ashton

Gordon Hart as Dr. Jacobs

Clarence Wilson as Mr. Shuster

Guy Usher as District Attorney Hamilton Burger

Lottie Williams as Mrs. Pixley

Harry Hayden as Reverend Stillwell

Earl Askam as Desk Officer (uncredited)

Don Downen as Newsboy (uncredited)

Kenneth Gibson as Clerk (uncredited)

Sol Gorss as Poker Player (uncredited)

Harrison Greene as Worried Client (uncredited)

Chuck Hamilton as Bailiff (uncredited)

Milton Kibbee as Brandon - Oafley's Butler (uncredited)

Paul Kruger as Reporter (uncredited)

John Marston as Judge Robert Fellows (uncredited)

Edward McWade as Keene's Apartment Manager (uncredited)

Lyle Moraine as Reporter (uncredited)

Paul Panzer as Poker Player (uncredited)

Ferdinand Schumann-Heink as Mason's Driver (uncredited)

John Sheehan as Sergeant Holcomb (uncredited)

Billy Wayne as Poker Player (uncredited)

Claire White as Woman (uncredited)

Tom Wilson as Waffle Shop Construction Foreman (uncredited)

Frank Bruno as Construction Foreman (uncredited)