
Marian Kociniak (11 January 1936 – 17 March 2016) was a film, television, voice and radio actor and comedian. He was best known from portraying Franciszek Dolas, a main character in the 1969 film How I Unleashed World War II. Kociniak also had main and secondary roles in films such as Morning Stars (1979), Danton (1983), Fucha, Bermuda Triangle (1987), Circus is Leaving (1987), Yesterday Goodbye (1993), Sir Thaddeus (1999), Kalipso (2000), and The Last Action (2009), as well as in television series such as Janosik (1974), Jan Serce (1981), Sukces (1995), and The Deep End (2013).
Description above from the Wikipedia article Marian Kociniak, licensed under CC-BY-SA, full list of contributors on Wikipedia

Danton
1983 · as Robert Lindet

Bermuda Triangle
1988 · as Jarek

The Last Action
2009 · as Kazik Iwanowski "Kotek"

The Last Days
1999 · as Protazy Baltazar Brzechalski

Innocent Sorcerers
1960 · as Guest (uncredited)

Wiano
1964 · as Staszek's Friend

Maria and Napoleon
1966 · as Palace Officer

Smacznego, telewizorku
1992 · as Grandfather

Barrier
1966 · as Tram Driver with a "17" on his Neck (uncredited)

Fucha
1985 · as Zgred

Playing with the Devil
1980 · as Marcin Kabat

Skinny and Others
1967 · as "Partyjny" / "Party Boy"

Ostatni po Bogu
1968 · as Lieutenant Mackiewicz

Ernst Thälmann
1986

Rififi po sześćdziesiątce
1989 · as Andrzej Nowisz, ordynator szpitala w Nowych Jorkach

How I Unleashed World War II, Part II: Following the Arms
1970 · as Franciszek Dolas

Czerwone berety
1963 · as Grzegorz Warecki

How I Unleashed World War II, Part I: The Escape
1970 · as Franciszek Dolas