Establishing himself as both a leading man and character actor, Medvešek's best-known film roles include Lukas in Slow Surrender (2001), Rafael in Winter in Rio (2002), Marin Držić in Libertas (2006) and Filip in The Show Must Go On (2010).
Making his debut in a 1987 production of Slobodan Šnajder's Dumanske tišine, Medvešek amassed over thirty award-winning roles[4] in Gavella, including La vida es sueño, Madame Bovary, Othello, Fine Dead Girls, Caligula, U registraturi, Kiklop, Malena and King Richard the Third.
An accomplished actor of the stage and screen,[citation needed] Medvešek's most acclaimed film works include Mondo Bobo (1997), Slow Surrender (2001), Winter in Rio (2002), The Sunken Cemetery (2002), Infection (2003), The Recollection Thief (2007), The Show Must Go On (2010).
[citation needed] He has also done acting work for international film and television productions, including Laertes in Rosencrantz and Guildenstern Are Dead and Pietro in Captain America (both 1990).
[5] Directed and produced by Ante Rozić, his role was praised by linguists and writers who Gjalski has influenced, including Ozren Popović, Ronald Kutlić and Pero Nakić.