as Professor Mullins(1 ep)
as Sir Peregrine Prentiss
as Lord Cranthorne(1 ep)
as Governor(1 ep)
as Emperor
as Hubert St John Langton(3 eps)
as Col. Forbes-Jones(1 ep)
as Sir Peregrine Prentiss
as Great Uncle James(1 ep)
as Colonel Richardson(3 eps)
as Lord Quillington(4 eps)
as Brigadier Sanders(2 eps)
as Drinkwater
as Scout Dawson(3 eps)
as Gerard Sefton(1 ep)
as Eye Surgeon
as Lord Kellner(1 ep)
as Samuel Simpson
as Dr. Mumford
as Walter(1 ep)
as Worplesden(1 ep)
as Henry Parker(1 ep)
as Colonel(1 ep)
as Nicholas Tapscott(2 eps)
as Sir Charles Portal
as Major Hector Stanhope(1 ep)
as Dr Patrick Toseland
as Colonel Lacey(1 ep)
as Frank Harrington(13 eps)
as Lord Delamere
as Desmond
as Doctor James Kennedy(2 eps)
as Dean of Lonsdale College(1 ep)
as Dr Douthwaite
as Chorus
as Henry Alsop(1 ep)
as Arnold Reece
as George Ledingham(6 eps)
as Henry(1 ep)
as Dr Hammond(1 ep)
as James
as Desmond Howard Jones(1 ep)
as Colonel Adye(1 ep)
as Adm. Frobisher(1 ep)
as Colonel John Layton(4 eps)
as Christine's Father(1 ep)
as Headmaster(3 eps)
as Admiral Jack Tovey
as Matthew Harcourt
as Thomas Leighton(1 ep)
as Gayev
as Chief Police Inspector
as Lieutenant Brotadac
as Alderman
as Mr Menant
as Bank Manager(1 ep)
as Anderson(1 ep)
as Lonsdale(1 ep)
as McKyle
as Von Mirbach(1 ep)
as Lord Hulton(1 ep)
as Harry
as Admiral Sir Michael Culme-Seymour
as Admiral Sir Michael Culme-Seymour(1 ep)
as Harry(1 ep)
as DI Deevers(1 ep)
as Dr Williams(1 ep)
as Chief
as Superintendent Parry
as Detective-Inspector
as Sir Christopher Japhet(1 ep)
as Gilbert Webb(1 ep)
as Beemax(1 ep)
as Gloucester(1 ep)
as Reverend David Pryce-Jones(1 ep)
as Senior Official(1 ep)
as Lister(2 eps)
as Mr. Menant(1 ep)
as Prison governor
as Hon. George Keppel(1 ep)
as Geoffrey Hainton(3 eps)
as Sir Walter Crediton(1 ep)
as Waite(1 ep)
as Arthur Davitt(1 ep)
as Mr. Fletcher(13 eps)
as Sam Lockwood(4 eps)
as Chief(1 ep)
as Dr. Henry Fane(1 ep)
as Stanton(1 ep)
as Simon Rimsey(2 eps)
as Alec Lampitt(1 ep)
as Prison Governor(1 ep)
as John Fry(1 ep)
as Hopkins(1 ep)
as Navigating Officer(1 ep)
as Lieutenant Brotadac(1 ep)
as R.A.F. Officer(1 ep)
as Dawson(1 ep)
as Red King
as Lechat(1 ep)
as Radio Announcer (voice) (uncredited)
as 2nd Officer
as Radio Announcer(1 ep)
as Police Constable West
as Quetzl(1 ep)
as 1st Thief(1 ep)
as Bearer(1 ep)
as 1st Guard(1 ep)
as First Peasant(1 ep)
as Colman(1 ep)
as Sir Exeter(1 ep)
as Rolf(1 ep)
as Clerk(1 ep)
as Sir Rolf(1 ep)
as Villager(1 ep)
as Detective tailing Creasey (uncredited)
as Man(1 ep)
as Detective at Bank (uncredited)