Jack the Ripper

Boris Karloff

Host / Capt. John Elwood / Jonas Atterbury / Dr. Francis Mason

Harry Bartell

Edward Paige

Thomas Browne Henry

Blue

Kay Stewart

Ruth Elwood

Paul Bryar

Police Lt. Davis

Gretchen Thomas

Elizabeth Foley

Tudor Owen

Capt. Barney

Dorothy Allison

Judith

Russ Bender

Calvin Logan

Niall MacGinnis

Walter

George Waggner

Director

Hal Roach, Jr.

Producer

David MacDonald

Director

Frank P. Bibas

Director