Currently he helps form and trains an impro troupe in Vancouver BC titled 3rd and Main and occasionally hosts their weekly shows at School Creative every Saturday at 8:00 pm.
Marriott has also done extensive voice acting work for radio and TV both animation and documentaries, including the first season of Mighty Machines, as various characters, Mr. Fothergill, Mr. Ellis, Mr. Dixon, David Dixon, Dodger, Travis, Spud (regular series only), Mr. Bentley (regular series only) and Scoop in the US dub on Bob the Builder and Glar on Planet 51.
[2] He also wrote one episode of Wolves, Witches and Giants and Animal Stories (in which he narrated the American dubbed version for The Disney Channel), several comedy sketches for CBC and a short film called Teeth and worked as a voice director for the BKN Classic Series trilogy where he directed the voices for all six of their films including Alice in Wonderland: What's the Matter with Hatter?, The Jungle Book: Rikki-Tikki-Tavi to the Rescue, Robin Hood: Quest for the King, The Three Musketeers: Saving the Crown, The Prince and the Pauper: Double Trouble and A Christmas Carol.
He is the driving force behind ImprovMusical,[6] a one-hour improvised musical based on a single audience suggestion which premiered in July 2010 and is currently[when?]
[7][8] In 2016, Marriott recently voiced the characters Buried Lede and Mr. Stripes in the season six My Little Pony: Friendship is Magic episode "The Saddle Row Review".