Released:
1969-06-12

Overview:
The first of six episode compilations of the TV show released theatrically, featuring episodes 1 and 3. In 1941, Polish soldier Stanisław Kolicki escapes German captivity only to be mistaken for the dashing Abwehr lieutenant Hans Kloss and recruited by the Soviets as their secret agent J-23. Under deep cover behind enemy lines, he feeds crucial intelligence to the Red Army while outwitting suspicions and dueling wits with the formidable SS officer Hermann Brunner.

Director:
Janusz Morgenstern

Runtime:
1h 50min

Genre:
War, Action

• Cast:
• 
  Stanisław Mikulski
  as
  Hans Kloss / Stanisław Kolicki
• 
  Seweryn Butrym
  as
  General Wierlinger ("I Know Who You Are")
• 
  Mieczysław Stoor
  as
  Sturmfuhrer Hans Stedtke ("I Know Who You Are")
• 
  Krzysztof Chamiec
  as
  Sturmbannfuhrer Lothar ("I Know Who You Are")
• 
  Janina Borońska
  as
  Irena ("I Know Who You Are")