Greyston Holt is a Canadian actor. He started his acting career in the mid-2000s, debuting in the 2004 film The Sisterhood. He next starred in several TV movies. His first starring role was as Ray Prager Jr on the Canadian series Durham County. He later starred in the film Slap Shot 3: The Junior League. In 2012, he played Young Emerson Hauser in 3 episodes of the Fox series Alcatraz. From 2014 to 2016, he gained recognition for playing Clayton Danvers on the Space series Bitten. Following this, he played recurring character Mikhail on the show No Tomorrow. He also starred as Will in the film See No Evil 2.