Gretsch has also had supporting roles in a number of films including playing Bobby Jones in "The Legend of Bagger Vance" (2000), "Minority Report" (2002), "The Emperor's Club" (2002) and "" (2007).
Gretsch ha anche avuto ruoli minori in alcuni film tra cui "La leggenda di Bagger Vance" (2000), "Minority Report" (2002) e "Il club degli imperatori" (2002).