Przyjaciel

Józef Pieracki as Harden Stanisław Igar as Man at the Airport (uncredited) Eliasz Kuziemski as Lab Specialist (uncredited)

Jerzy Stawicki Director, Director of Photography, Screenplay Bolesław Kamykowski Production Design Jerzy Skolimowski Dialogue Marek Nowicki Director, Screenplay, Director of Photography Stanisław Lem Short Story