Roland Young

as Ralph Tutwiler

as William Blore

as Edgar

as Oscar 'O.O.' Miller

as Charles Giraud

as Cosmo Topper

as Uncle Willie

as Cosmo Topper

as Col. Anthony 'Sahib' Carleton

as Sultan

as Cosmo Topper

as Cmdr. John Good

as George McWhirter Fotheringay

as Maillot

as Earl of Burnstead

as Priam Farrel

as Gerald Gray

as Professor Olivier

as The Critic

as Sir John Applegate

as Jimmy Wade

as Sigurd 'Erik' Arnesson

as Lord Montague

as Dr. Watson