Martin Hub (born 13 March 1964, Prague, Czechoslovakia [now Czech Republic]) is a Czech character actor and stuntman, best known for his portrayals of immigrants, soldiers, and bodyguards in major Hollywood blockbusters. In film, he has appeared in Titanic (1997, as Slovakian Father), Saving Private Ryan (1998, as Czech Wehrmacht Soldier), xXx (2002, as Ivan Podrov), Hannibal Rising (2007, as Lothar), Child 44 (2015), and Mission: Impossible – Ghost Protocol (2011, as Kremlin Gate Security Guard). As a professional stuntman, he was Russell Crowe's stunt double in Gladiator (2000) and performed stunts in Snowpiercer (2013) and Troy (2004). On television he appeared in McMafia (2018), Lore (2017), and The Young Indiana Jones Chronicles (1992). He is a member of the Czech stunt group Filmka.