Crimes at the Dark House

Tod Slaughter

The False Sir Percival Glyde

Sylvia Marriott

Laurie Fairlie / Anne Catherick

Hilary Eaves

Marion Fairlie

Geoffrey Wardwell

Paul Hartwright

Hay Petrie

Dr. Isidor Fosco

Margaret Yarde

Mrs. Bullen

Rita Grant

Jessica

David Horne

Frederick Fairlie

Elsie Wagstaff

Mrs. Catherick

David Keir

Lawyer Mr. Merriman

Grace Arnold

Maid

Vincent Holman

Asylum Doctor