[3] Earlier in his career, Ralston was seen on the Toronto stage in a production of George F. Walker's Risk Everything in 1998.
[4] In 2006 and 2007, he was featured in Toyota Tundra truck commercials airing in Canada, and starred as Ming the Merciless in the 2007 Sci-Fi Channel original series Flash Gordon.
Ralston reprised this role in the follow-up series, Degrassi: Next Class.
In 2015, he co-starred as Jean-Claude Van Damme's estranged brother in the film, Pound of Flesh.
He received a Bachelor of Education degree (Literature and Anthropology) from The University of New Brunswick.