Happy 35th birthday to actor Sam Worthington. Now there's a name that sci-fi fans should know, and the rest of you you most likely have seen him on the screen.

According to Wikipedia:

"Samuel Henry J. "Sam" Worthington (born 2 August 1976) is an Australian actor. After almost a decade of roles in Australian TV shows and films, Worthington gained Hollywood's attention by playing the role of Marcus Wright in Terminator Salvation (2009) and the lead role as Jake Sully in James Cameron's science fiction/fantasy film Avatar (2009).

In 2004, Worthington received Australia's highest film award for his lead performance in Somersault. He performed predominantly in leading roles in a variety of low-budget films before transitioning to major studio films, ranging from romantic drama and comedy-drama to science fiction and action."