Claim: Sam Worthington was in avatar.

Samuel Henry John Worthington -LRB- born 2 August 1976 -RRB- is a British-born Australian actor . He played the main character role of Alex Mason in the Call of Duty : Black Ops series . He portrayed the protagonist Jake Sully in the 2009 film Avatar ; Marcus Wright in Terminator Salvation ; and Perseus in Clash of the Titans and its sequel , Wrath of the Titans ; before transitioning to more dramatic roles , in Everest -LRB- 2015 -RRB- and Hacksaw Ridge -LRB- 2016 -RRB- .   In 2004 , Worthington received Australia 's highest film award for his lead role in Somersault . He performed predominantly in leading roles in a variety of low-budget films before moving to major studio films , ranging from romantic drama and comedy-drama to science fiction and action .