Jan Svozil

Acting

Stanislav Hradecký

Vlasta Martínková

Hana

Eva Svozilová

ROH chairman

Jaroslav Stehlík (uncredited)

Miroslav Janoušek (uncredited)

Bartoněk (uncredited)

Zdražil (uncredited)

Institute director (uncredited)

Department manager (uncredited)

Scientist (uncredited)

Doc. Rozehnal (uncredited)

Professor (uncredited)

Doctor (uncredited)

Nurse (uncredited)

Laboratory assistant (uncredited)

Assistant (uncredited)

Assistant (uncredited)

Assistant (uncredited)

Houseman (uncredited)

Secretary (uncredited)

Official (uncredited)

Canteen assistant (uncredited)

Writing

Crew

Sound

Costume & Make-Up

Writing

Art

Sound

Editing

Production

Camera

Directing