Henning Jensen as William Brehmer

Poul Reichhardt as Kriminalassistent Ancher

Jens Okking as Kriminalassistent Brask

Ulf Pilgaard as Kriminalassistent Rieger

Holger Juul Hansen as Kriminalkommissær Runge

Lisbet Lipschitz as Frk. Durant

Helle Virkner as Marianne Durant

Mogens Brix-Pedersen as Otto Lintz

Birgit Sadolin as Fru Lintz

Paul Hüttel as Poul Steffensen

Bendt Rothe as Janus Bech

Birgitte Federspiel as Louise Bech

Lene Vasegaard as Charlotte Nørlund

Rasmus Windfeld as Charlotte Nørlunds søn

Preben Lerdorff Rye as Holger Hjort

Pia Grønning as Bitten Hjort

Holger Munk as Direktør Pelving

Vibeke Juul Bengtsson as Direktør Pelvings sekretær

Bente Puggaard-Müller as Politibetjent

Per Årman as Spejderfører

Troels II Munk as Henri Durant