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)

Sound

Costume & Make-Up

Crew

Writing

Editing

Camera

Writing

Production

Art

Directing

Sound