Eric Bana - Comedian to Movie Star

Eric Bana (b. 9/8/1968) was a comedian that became known after playing the lead in Chopper based on a true story of an Australian convicted criminal.

His movie Deadfall is due out later in 2012.
  
IMDB Bio

Credit Highlights:  

TV
Something in the Air
Eric

Full Frontal 

Credits @TV.com (including guest star appearances)

Movies
Hanna - Erik Heller
Star Trek - Nero
The Other Boleyn Girl - Henry Tudor
Munich - Avner
Troy - Hector
Finding Nemo - Anchor (voice)
Black Hawk Down - Hoot
Chopper - 'Chopper' Read

Detailed list @ IMDB

Search for Eric Bana @ Amazon.com