as Ivan Mason / Dr. James Paxton
as Sir Robert Brackenbury / Earl of Surrey
as The Major
as Pemberton Grant
as TV Announcer
as Jack Williams
as Denys Royd
as Minor Role
as Minor role
as Stephen, Author
as Lord Say
as Captain Jumbo Hoyle
as Laurie Baxter
as Duke of Exeter / Mayor of York
as Joe Marsh
as Bruce Banning
as Earl of Salisbury / Sir William Lucy
as Dallas Chaytor
as Peter Tanner
as Duke Popplewell
as Group Captain J. N. H. Whitworth, D.S.O., D.F.C.
as Robert Graham
as Kenneth Palmer
as Mark Roper
as Anthony
as Detective Inspector Minter
as Sgt. Peter Burden
as Dr. Erasmus Potter-Shine
as Count Brisini
as Insp. Davis
as Gerald Ryton
as Jim Medway
as Maxwell Oliver
as Detective Grey
as Hans Glaser
as Sergeant Wilson
as John Clarron
as Laurence Mitchell
as Rev. Mordred Skinner
as Father Trasker
as Ensor
as Frank Hewitt
as Robert Douglas
as Evans
as Mr. Garstanton
