Richardson has had major roles in two Australian children's television drama series.
He was one of the regular cast members in Parallax in 2004, playing four versions of Francis Short from different parallel universes.
Since dropping out of Western Australian Academy of Performing Arts (WAAPA), Richardson has starred in a number of short films, including an adaptation of the Stephen King short story Cain Rose Up, and on stage, most notably in an adaptation of Lord of the Flies.
Some of Mr Richardson's more recent work includes a television advertisement with Boxer Danny Green.
In 2014 the commercial was broadcast Australia wide to promote the dangers of drug and alcohol related violence.