[2] He joined the Summerstock Conservatory, where he received the Phyllis Pope Award for Best Performance for playing the Rabbi in Fiddler on the Roof in 2004, before moving to Toronto to begin his film and television career.

After guest-starring appearances in television series Instant Star, Urban Legends and The Border, he gained his first major role as Kelly Ashoona in the teen drama Degrassi: The Next Generation from 2008 to 2009.

[4] He later appeared in films Ride (2014), Fishing Naked (2015), Farhope Tower (2015) and played the lead in the Escape Room (2017).

In 2020, Williams starred opposite Natalie Hall in the Netflix romantic comedy film, Midnight at the Magnolia.

[14][15] Williams has worked with the charity buildOn to help build schools in impoverished areas,[2][8] as well as with Free the Children in Ecuador and India.