High Quality Content by WIKIPEDIA articles! Mitchell "Mitch" McColl is a fictional character from the Australian Channel Seven soap opera Home and Away, played by Cameron Welsh. He debuted on-screen during the episode airing on 15 July 1999. Welsh thought that the role of Mitch would be a guest part, but producers soon signed him onto a three-year contract. Welsh was diagnosed with an herniated disc and took a break from filming in 2000. Mitchell McMahon took over the role temporarily when producers decided that Mitch needed to remain part of a "big storyline". Welsh decided to leave Home and Away and Mitch departed on 9 March 2001. Welsh reprised the role in 2005 for the serial`s 4000th episode. Mitch has been described as a "bad boy with a heart of gold" and likes to help people out. He is also "emotionally scarred and guarded" due to his upbringing.