Justin Bieber will be making his TV acting debut tonight on CSI. He will be playing Jason McCann, "a troubled teen who is faced with a terrible decision regarding his only brother." Justin will also play Jason again in a future episode this season.
SEE IT: Behind the scenes of Justin's CSI episode
CSI is on tonight at 9 p.m. ET on CBS. Take a look at our photo gallery to prep for the big premiere!
Photo: Sonja Flemming/CBS