as Winston Havelock
as Col. Archibald Gracie
as Chairman / Doctor (voice)
as The Chairman (voice)
as Tarbuck
as Justin
as Lester Moresby
as Scottish Shepherd (uncredited)
as Inspector McDowal
as Lookout Frederick Fleet (uncredited)
as Room Clerk
as Captain Chablat
as Constable Hooke
as Dr. Watson
as Max
