Derek Farr

as Tony Teale

as Group Captain J. N. H. Whitworth, D.S.O., D.F.C.

as Captain Jumbo Hoyle

as Minor Role

as Count Brisini

as Mark Roper

as Anthony

as Jack Williams

as Peter Tanner

as Earl of Salisbury / Sir William Lucy

as Kenneth Palmer

as Sgt. Peter Burden

as Dr. Erasmus Potter-Shine

as Ivan Mason / Dr. James Paxton

as Bruce Banning

as Stephen, Author

as Detective Inspector Minter

as Sir Robert Brackenbury / Earl of Surrey

as Duke of Exeter / Mayor of York

as Insp. Davis

as TV Announcer

as Duke Popplewell

as Lord Say

as Robert Graham

as Denys Royd

as Detective Grey

as Laurie Baxter

as Ranny

as Joe Marsh

as Jim Medway

as Michael Tone

as Maxwell Oliver

as Hans Glaser

as Minor role

as Dallas Chaytor

as Sam

as Gerald Ryton

as The Major

as Pemberton Grant

as Sergeant Wilson