Das Ungeheuer von London

Louis Hayward

Edward Jekyll / Dr. Henry Jekyll / Mr. Hyde

Jody Lawrance

Lynn Utterson

Alexander Knox

Dr. Curtis Lanyon

Lester Matthews

Sir John Utterson

Gavin Muir

Editor Richard Daniels

Paul Cavanagh

Inspector Stoddard

Rhys Williams

Michaels, Butler

Victor Adamson

Coachman (uncredited)

Patrick Aherne

Tenement Landlord (uncredited)

Matthew Boulton

Inspector Grey (uncredited)

Hamilton Camp

William Bennett (uncredited)

Claire Carleton

Hazel Sorelle (uncredited)