Ulf Pilgaard as Professor Oscar Latour / Gert Latour

Lisbet Lundquist as Kerstin

Bjørn Puggaard-Müller as Cecilie's Father

Lily Broberg as Cecilie's Mother

Jørgen Buckhøj as Anders Gløk-Jensen

Helle Virkner as Fru Andersen

Ove Verner Hansen as Andersen

Karl Stegger as Kriminalassistent

Henning Palner as Kriminalbetjent

Kirsten Walther as Kerstin's Mother

Poul Reichhardt as O.C.

Vera Gebuhr as Husholdersken Trunte

Ghita Nørby as Madame Natasha

Karen Lykkehus as Tante Anna

Michael Lindvad as Agent i gul frakke

Denise Lee Dann as Agentens ledsager

Vivian Lee Dann as Agentens ledsager

Gerda Gilboe as Gløk-Jensens sekretær

Ulla Jessen as Indehaver af massageklinik

Birte Stenbak as Massagepige

Gertie Jung as Massagepige

Nellie Crump as Massagepige

Otto Brandenburg as Sanger

Birgitte Federspiel as Ægtepar i kunstforretning / kone

Holger Juul Hansen as Ægtepar i kunstforretning / mand

Jørgen Kiil as Medicinsk professor

Puk Schaufuss as Ruth

Ove Rud as Universitetsrektor

Kirsten Peüliche as Rektors sekretær

Kirsten Rolffes as Sekretær på Slavisk Institut

Beatrice Palner as Vred nonne

Lene Brøndum as Studine

Pia Jondal as Studine

Jannie Faurschou as Studine

Merete Arnstrøm as Studine

Torben Bille as (Russisk) Håndlanger

Sven-Ole Thorsen as (Russisk) Håndlanger

Sejr Volmer-Sørensen as

Ove Sprogøe as Konkurrerende redaktør

Lizzie Corfixen as Pige i kollektiv

Anne Fletting as Pige i kollektiv

Hanne Lyngfeldt as Pige i kollektiv

Marianne Winther as Pige i kollektiv

Antonia Lauritzen as

Ditte Maria as Pige i kollektiv

Fritz Brun as

Gotha Andersen as

Tanaka Kumio as

Holger Vistisen as

Lise Schrøder as

Ebba With as

Asta Esper Hagen Andersen as

Jørgen Reenberg as Taxachauffør

Jens Okking as Tankpasser

Valsø Holm as

Pernille Grumme as Margit, O.C.'s sekretær

Jesper Christensen as Journalist

Mogens Berger as

Ulla Asbjørn Andersen as

Axel Strøbye as

Henrik Larsen as