Emilie Dulay – Patricia Bridgewater
Felix Dulay, her husband – Michael Millward
Madame Parole – Jean Stuckey
Marie Louise Dulay, Felix’s daughter – Sallyann Wilkinson
Alfred (4707) convict – Richard Smith
Jules (6817) convict – Nick Pennington
Joseph (3011) convict – Arthur Grice
Gaston Lemare – Trevor Hall
Paul Cassagon, Gaston’s nephew – Peter Bennett
Sub-Lieutenant Espoir, (of the French Navy) – Tony Simpson