In London, A man who has amnesia attempts to uncover the truth about his identity. A menacing individual accuses him of betrayal, and soon more pieces of his puzzling past begin to fall in place.

Senta Berger
as Sara Grimaldi

Luc Merenda
as Edward

Umberto Orsini
as Daniel

Anita Strindberg
as Mary Caine

Bruno Corazzari
as George

Rosario Borelli
as Policeman

Manfred Freyberger
as Philip

Tom Felleghy
as Dr. Archibald T. Wildgate

Duilio Cruciani
as Luca

Carla Mancini
as