Vladimir Balashov as Berthold Oppenheim

Gari Minovitskaya as Ruth Oppenheim

Iosif Tolchanov as Martin Oppenheim

Ada Vojtsik as Liselotte

Mikhail Astangov as Vogelsang

Vladimir Solovyov as Pakhinka

Aleksey Konsovskiy as Richard

Nikolai Plotnikov as Edgar Oppenheim

Osip Abdulov as Jacques Lavendel

Fyodor Ivanov as Student

Yelena Anufriyeva as Train passenger

Raisa Yesipova as Sibilla Raukh

Solomon Mikhoels as Jacobi

Sergey Dneprov as director of the François gymnasium

Arkady Blagonravov as Director of the Lorenz Clinic

Nikolai Bogolyubov as Weller

Konstantin Karelskikh as Rittersteg

Sergei Martinson as Gutvetter

Mikhail Derzhavin as Wells