His acting career began in 1994 when he starred in the mini-series Heartland and was voted Bachelor of the Year by Cleo magazine. He came to notice in 1995 where he was co-host of Gladiators Australia, an Australian game show.
Pedersen's first major acting role was for Wildside in 1997. In 1999, he played Michael Reilly in Water Rats, for two seasons. Other dramatic roles he has been in have included MDA (in 2002) and in The Secret Life of Us (2005).
Since 2007, he had the leading role in SBS's drama series, The Circuit and also in 2007, began appearing in Channel Seven's drama, City Homicide (which ended in 2011).
He appeared as Cam in ABC Television's Jack Irish in 2012.
