Leslie Blake

Dr. Doremus

Inspector Sanderson

Coroner

Inspector Hopkins

Marty Williams

Minor Role

George Sandleigh

Lubbock

Richard 'Dick' Holmes

Oliver Desmond

Jacques

Peter

David Plummet

Maurice Avery

Larry Maitland

Edgar Gray Doe

Vivian Fairfax

Michael Turner

Arthur Wardell

Francis McPhillip

Lieutenant Burnham

Lt. Gunther