- Yves Ratier
- Â Pierre Rozay 6 episodes, 1957-1958
- Barry Barnett
- Â Raymon 6 episodes, 1957-1958
- Garard Green
- Â Sidney Towler 5 episodes, 1958
- Maurice Colbourne
- Â Professor Hoad 5 episodes, 1958
- Edward Higgins
- Â Richard Towler 5 episodes, 1958
- Shirley Cooklin
- Â Madame Rozay 4 episodes, 1957-1958
- Gareth Jones
- Â Monsieur Rozay 4 episodes, 1957-1958
- Roy Dotrice
- Â Jacques / ... 2 episodes, 1957-1958
- Frank Finlay
- Â Mr. Craven, Antique Dealer 2 episodes, 1958
- Beatrice Varley
- Â Madame Tregan 2 episodes, 1958
- Betty Woolfe
- Â Mrs. Butler 2 episodes, 1958
- Brian Parker
- Â Father Bourven 2 episodes, 1958
- Leon Peers
- Â Gendarme 2 episodes, 1958
- Jefferson Clifford
- Â Monsieur Tregan 2 episodes, 1958
- John Barrie
- Â Kergonet 1 episode, 1957
- Andreas Malandrinos
- Â Antoine the Sacristan 1 episode, 1957
- John Dearth
- Â The Cure 1 episode, 1957
- Gerald Lawson
- Â Michel Tregan 1 episode, 1957
- Patrick Milner
- Â The Fisherman 1 episode, 1957
- James McLoughlin
- Â Revolutionary soldier 1 episode, 1957
- Adrian Stanley
- Â Revolutionary soldier 1 episode, 1957
- John Barrett
- Â Clerk 1 episode, 1958
- Edward Malin
- Â French Waiter 1 episode, 1958
- Ian Wilson
- Â Postman 1 episode, 1958
- Peter Welch
- Â Inspector Mace 1 episode, 1958
- Patrick Bedford
- Â Dennis 1 episode, 1958
- Edward Palmer
- Â Emrys Hughes 1 episode, 1958
- Peter Dawson
- Â Dawson 1 episode, 1958
- Harold G. Robert
- Â Police Constable 1 episode, 1958
