Jarsky was born in Toronto, Ontario, Canada. He became Ontario Gymnastics Champion at the age of 14.He attended the Etobicoke School of the Arts,and the National Theatre School of Canada.
After graduating the National Theatre School in 1999, he was cast in the play The Awakening and received a Dora Award nomination for 'Outstanding Performance by a Male'. Joris was also nominated for a 2009 Actra Award (Best performance by a Male) for his role as a troubled young man in "Toronto Stories" .
In 2008 three different films in which he appeared, Toronto Stories, The Green Door, and Blindness all screened at the 2008 Toronto International Film Festival. He had lead roles in Toronto Stories and The Green Door.
and is known for his role as Marty Strickland in the series Vampire High.