Dr. Pilbeam
Carnadine (1 episode)
Clergyman
Dr. Clemens (1 episode)
Judge
Reverend Patterson
Admiral Holland - 'Hood'
Ghost of Christmas Past
Adm. Canaris
Superintendent
Arnold (uncredited)
The Judge
Professor Blandford
Air Vice-Marshal Halahan
Coroner
Dr. Reed
Mr. Wilberforce
Magistrate (uncredited)
Professor Legge
Briggs
Van Heemskerk
Assistant Manager
Stephen Undershaft
Gaston Alexandri
Dr. Helmore
James Selworthy
Lawrence Crawford
Frank Hastings
Petersen
Capt. Banning Cocq
The Doctor