Griffiths attended St Mary's RC High School in Astley near Leigh, between 1994 and 1999; it was during this time that he starred in Children's Ward at the age of thirteen.
In 2007, Griffiths starred alongside Conrad Westmaas in the short film The Visitor. He also appeared as "Psycho" in the film There's Only One Jimmy Grimble.
He also starred in the British vampire film Dead Cert which was directed by Steven Lawson, and he appeared in Waterloo Road as Dylan Hodge in Series 6 in 2010/2011.
In the August 2011 issue of Attitude Magazine, Griffiths took his top off and appeared sporting a red boxing kit. Photos from the shoot were taken at Cloud 23 Bar in the Hilton Hotel in Manchester.
He has also appeared in adverts, including the BT vision advert where he is featured having his hair washed. In 2016, he appeared in Vera, on ITV in the episode, "The Sea Glass", he played the role of Steve Stonnall.
On New Year's Day 2018, Griffiths made a guest appearance in the BBC One soap opera, EastEnders, playing Milo.
