Catherine Morland

Jean Rogers

Richard Conroy

Richard Travis

Det. Lt. Jerry McMullen

Larry Blake

Detective Lieutenant Jerry McMullen

Larry J. Blake

Marian Gordon

Louise Currie

John Morland

John Eldredge

The Stranger/Willis - the Caretaker

Leonard Strong

James O'Neil

Robert Shayne

Red Bailey

Douglas Fowley

Dorothy - the Maid

Sara Berner

Detective Sergeant Tom Carey

Richard Benedict

Patricia McMullen

Wynne Larke

McMullen Girl, Outfielder

Susan Klimist

Chinese Waiter

Wong Artarne

Fire Warden at Car Wreck

Stanley Blystone

Dave Morris

Mike

Michael Chapin

Mrs. O'Neill

Angela Clarke

Williams

Eddie Coke

Dr. Pearson

Frank Dae

Detective Sergeant Gorman

Steve Darrell

Trooper at Roadblock

Jon Gilbreath

Radio Commentator (Voice)

Art Gilmore

O'Neill's Secretary

Dorothy Granger

Denny

Billy Gray

Chris

Gary Gray

Coroner's Deputy

Sherry Hall

X-Ray Technician

Ralf Harolde

X-Ray Technician

John Canady

Jerry McMullen Jr.

Jerry Mickelsen

Charlie, Policeman

Charles Sullivan

Joe, Railroad Worker

Syd Saylor