Claim: Matthew Mach (a Czech actor, screenwriter and film director) participated in some films including the Tři chlapi v chalupě (1965), Objížďka (1970) and Tichý Američan v Praze (1980).
Evidence: Josef Mach (25 February 1909 in Prostějov – 7 July 1987 in Prague) was a Czech actor, screenwriter and film director. 1963 Tři chlapi v chalupě 1968 Objížďka 1977 Tichý Američan v Praze 
Josef Mach (25 February 1909 in Prostějov – 7 July 1987 in Prague) was a Czech actor, screenwriter and film director. 1968 Objížďka 1977 Tichý Američan v Praze Tři chlapi v chalupě is a 1963 Czechoslovak film directed by Josef Mach.