Professor Mullins (1 episode)

Lord Cranthorne (1 episode)

(6 episodes)

Governor (1 episode)

Emperor

Gerard Sefton (1 episode)

Col. Forbes-Jones (1 episode)

Colonel (1 episode)

Henry Alsop (1 episode)

Henry Parker (1 episode)

Great Uncle James (1 episode)

Lord Quillington (4 episodes)

Worplesden (1 episode)

Henry (1 episode)

Drinkwater

Eye Surgeon

Colonel Lacey (1 episode)

Thomas Leighton (1 episode)

Samuel Simpson

Dr. Mumford

Sir Charles Portal

Major Hector Stanhope (1 episode)

Dr Patrick Toseland

Sir Christopher Japhet (1 episode)

Frank Harrington (13 episodes)

Lord Delamere

Desmond

Dean of Lonsdale College (1 episode)

Doctor James Kennedy (2 episodes)

Dr Douthwaite

Chorus

Arnold Reece

(2 episodes)

James

Colonel Adye (1 episode)

Adm. Frobisher (1 episode)

Colonel John Layton (4 episodes)

Bank Manager (1 episode)

The Headmaster (6 episodes)

Admiral Jack Tovey

Matthew Harcourt

Gayev

Chief Police Inspector

Alderman

Book

Lieutenant Brotadac (1 episode)

Lord Hulton (1 episode)

Mr. Menant (1 episode)

Mr Menant

Lonsdale (1 episode)

McKyle

Harry

Admiral Sir Michael Culme-Seymour

Admiral Sir Michael Culme-Seymour (1 episode)

Harry (1 episode)

Beemax (1 episode)

Chief (1 episode)

Chief

Superintendent Parry

Detective-Inspector

Gilbert Webb (1 episode)

Gloucester (1 episode)

Senior Official (1 episode)

Lister (2 episodes)

Prison governor

Geoffrey Hainton (3 episodes)

Hon. George Keppel (1 episode)

Sir Walter Crediton (1 episode)

Stanton (1 episode)

Simon Rimsey (2 episodes)

Dr. Henry Fane (1 episode)

Alec Lampitt (1 episode)

Dawson (1 episode)

Red King

Lechat (1 episode)

Radio Announcer (voice) (uncredited)

2nd Officer

Radio Announcer (1 episode)

Quetzl (1 episode)

Thief (1 episode)

Bearer (1 episode)

Guard (1 episode)

Peasant (1 episode)

Colman (1 episode)

Sir Exeter (1 episode)

Police Constable West

Detective tailing Creasey (uncredited)

Man (1 episode)

Detective at Bank (uncredited)