William Lundigan

Host

Michael Rennie

Dr. Henry Jekyll / Mr. Hyde

Cedric Hardwicke

Mr. George Utterson

Mary Sinclair

The Girl

John Hoyt

Poole

Lowell Gilmore

Dr. Lanyon

Barbara Morrison

The Dowager

Bess Flowers

Party Guest

Karen Scott

The Girl Companion

Gilchrist Stuart

The Policeman