Kenneth Williams

as Goblet / Tickle (voice)

as Sir Henry Baskerville

as Himself

as Professor Roland Crump

as Captain Desmond Fancey

as Mr. Stuart Farquhar

as Sir Bernard Cutting

as Mr. W.C. Boggs

as Thomas Cromwell

as Dr. Frederick Carver

as Dr. Kenneth Soaper

as Rhandi Lal, the Khasi of Kalabar

as Commandant Maximilian Burger

as Dr. Kenneth Tinkle

as Dr. Olando Watt

as Judge Burke

as Julius Caesar

as Agent Desmond Simpkins

as First Officer Leonard Marjoribanks

as Constable Stanley Benson

as Mr. Edwin Milton

as Oliver Reckitt

as Private James Bailey