Gruner has also played roles in "Automatic" (1994), "Savate aka The Fighter" (1995), "Mercenary" (1996), "Savage" (1996), "Mars" (1997), "T.N.T." (1997), "Mercenary 2:Thick & Thin" (1998), "Interceptor Force" (1999), "Velocity Trap" (1999), "The White Pony" (1999), "Crackerjack 3" (2000), "Kumite" (2000), "G.O.D." (2001), "Extreme Honor" (2001), "The Circuit" (2001), "Power Elite" (2002), "Interceptor Force 2" (2002), "" (2003), "Deadly Engagement" (2003), "SWAT: Warhead One" (2004), "Crooked" (2005), "The Circuit 3: the street Monk" (2006), "Blizhniy Boy: The Ultimate Fighter" (2007), "Lost Warrior: Left Behind" (2008), "Skorumpowani" (2008), "Brother's War" (2009), "One Night" (2010), "Tales of an Ancient Empire", also named "Abelar: Tales of an ancient Empire" (2010), "Re-Generator" (2011), "Cyborg: Rise of the Slingers" (2013), "Sector 4: Extraction" (2014), "EP/Executive Protection" (2015), "The whole World at our Feet" (2015), "Assassin X" also named "The Chemist" (2016), "Beyond the Game" (2016), "Showdown in Manila" (2016), "Darkweb" (2016), "Iron Cross: The road to Normandy" (2018), and "Amour" (2019).