Charlie Clausen is an Australian actor most known for his role as Jake Harrison on McLeod's Daughters in 2003 and as Acting Sergeant Alex Kirby on the police drama series Blue Heelers, which he starred in for the majority of Season 12 (2005) and Season 13 (2006). In 2012 he joined the cast of Home and Away as Zac MacGuire. Clausen left Home and Away in May 2017 after four years.

Zac MacGuire is a fictional character from the Australian soap opera Home and Away, played by Charlie Clausen. The actor successfully auditioned for the role in 2012 and was told he had won the role on his birthday. Clausen began filming almost immediately and was initially contracted for three years. Clausen had to give up recording his podcast TOFOP at Seven Network's request, as it was deemed a conflict of interest. He made his first screen appearance on 22 January 2013.