""
Jean Lefebvre
as Murdoch Cooper
Darry Cowl
as William Wilson
Françoise Fleury
as Monica Johnson
Jacques Balutin
as David Prosser
Claire Maurier
as Caroline Sinclair
Jacques Marin
as Bernard Lockwood
Jacqueline Finnaert
as Yvonne Wilby
Rolande Kalis
as Dorothy Cooper
Albert Pilette
as Le détective
Annick Berger
as Mme Cooper
Alistair Foot
Writer
Pierre Sabbagh
Director
Michel Vocoret
Stage Director
Albert Husson
Adaptation
Anthony Marriott
