As a result of the car crash, he now is blind in one of his eyes and had a full facial reconstruction.
After the car accident he faced months of treatment and has worked hard to recover from his serious injuries.
His all time idol is "The Human Soul".
Callan went to school together with Jon Pollard, who played Bolton in "Heartbreak High".
He dated Lara Cox from 1997 to 2000.
He went to Balgowlah Boys High School.
His favorite food is salad.
Callan won the "Prince of TV" award in Australia in 1997.
His favorite actress is Michelle Pfeiffer.
In his spare time he enjoys mixing records, skateboarding and rollerblading.
His first paying job was at McDonalds.
Although he was born in Auckland, New Zealand, he moved to Australia at the age of 8.
Has a brother, James, and one sister, Aroha.
His starsign is pisces.
His birth certificate says that he was born on February 24, but celebrates on the 23rd because his parents are sure he was born that day.
He was badly injured in a car accident in 2003.
Damon Gameau, co-star in the movie "Thunderstruck", on Callan's injuries after the crash: "The left side of his body was completely crushed. He is lucky to be alive. We're hoping he can come to a few things, but he is reluctant to come out in public just yet."
Callan: (On getting his eyebrow pierced) I guess I needed to bust out a bit I guess I needed to bust out a bit and try to be different!