Guest Stars Neville Jason as Lapointe Victor Lucas as Torrance Joan Paton as Concierge Anthony Jacobs as Joseph Renny Lister as Helene Laurie Asprey as Gerard Brian Waldron as Locksmith Christopher Banks as Siveschi Arthur Pentelow as Bonfils Joan Sanderson as Juliette Boynet Mary Chester as Cecile Gloria Salvador as Nouchi Branwen Iorwerth as Mlle. Noupart Casey Jones as Youth
