Acting · b. 1908 · Warszawa, Rosja (obecnie Polska) Jan Koecher Directed Career 1955 Acting More Than Life At Stake Part One Doktor Pulkowski ("Top Secret") (uncredited) 1969 The Doll The Prince 1968 The Siding Professor Edward Ryszpans 1968 The Hot Line Kalina 1965 Wyspa złoczyńców Professor Opałko 1965 The Ashes General de With 1965 Husband of His Wife Professor Trębski 1961 It Started Yesterday Kostarski 1961 Król Maciuś I Doctor 1958 Kalosze szczęścia Poet 1958 Tajemnica dzikiego szybu Bolesławiec 1956 Warszawska syrena Hermit 1956 The Warsaw Debut Stanisław Moniuszko 1951 Other Credits Soldier of Victory Assistant Director 1953 The Lonely House Assistant Director 1950 Agent-readable