Cast
- Carl-Heinz Schroth as John Brocklesby
- Willy Semmelrogge as Inspector Campbell
- Edda Seippel as Lydia Barbent
- Elisabeth Wiedemann as Honoria Dodd
- Rainer Hunold as Lancelot Fletcher
- Marion Kracht as Miss Poll
- Daniela Strietzel as Miss Jennifer
- Joachim Bliese as Campbell's Assistent