Jeff Kassel
Actor
Toronto, Ontario, Canada
Some names carry a film on their own, and Jeff Kassel is a Canadian actor whose face is familiar even to people who have not seen the films. 'Traitor' is a second title with an audience of its own. If there is a home genre here, it is drama. It has taken 19 years to build the position he now occupies. The title that comes up first is 'Molly's Game' — Donnie Silverman.
Jeff Kassel
Actor
Some names carry a film on their own, and Jeff Kassel is a Canadian actor whose face is familiar even to people who have not seen the films. 'Traitor' is a second title with an audience of its own. If there is a home genre here, it is drama. It has taken 19 years to build the position he now occupies. The title that comes up first is 'Molly's Game' — Donnie Silverman.
16 TV Shows
Plays Krupa, the Drum (voice)
Razzberry Jazzberry Jam
2009
Plays Ron
Testees
2008
Plays Dimitry Portnoy
The Firm
2012
Plays Lenny McMahon
Neagley
2026
Plays Dr. Ennis
The Secret Life of Marilyn Monroe
2015
Plays Jim Farley
Skins
2011
Plays Edward Donovan
Against the Wall
2011
Plays Referee
Star Trek: Discovery
2017
Plays Lead DGAC Investigator
Mayday
2003
Plays Greg
Haven
2010
Plays Quintin Crisp
Murdoch Mysteries
2008
Plays Kenneth Mayweather
Private Eyes
2016
Plays Dr. Rush
Sue Thomas: F.B.Eye
2002
Plays Gordon
Lost Girl
2010
Plays Dr. Stone
Earth: Final Conflict
1997
Plays Xun
The Strain
2014
Latest Trailers
Watch Trailer
Luba
Full Filmography
Neagley
Lenny McMahon
2026–
Murdoch Mysteries
Quintin Crisp
2023Season 17
Mayday
Lead DGAC Investigator
2022Season 22
Star Trek: Discovery
Referee
2021Season 4
Private Eyes
Kenneth Mayweather
2021Season 5
Luba
Ben
2018
Molly's Game
Donnie Silverman
2017
The Strain
Xun
2016Season 3
The Secret Life of Marilyn Monroe
Dr. Ennis · 2 episodes
2015–
Frequently Asked Questions
What are the most famous roles of Jeff Kassel?
Jeff Kassel is best known for roles in Molly's Game, Traitor, Talk to Me.
How many movies has Jeff Kassel been in?
Over a 19-year career (since 2007), Jeff Kassel has appeared in 4 movies and 15 TV shows.
What was Jeff Kassel's first movie?
The career of Jeff Kassel began with Talk to Me (2007).
What is Jeff Kassel's most recent movie or series?
Jeff Kassel's most recent release is Neagley, which premiered on September 16, 2026.
What TV shows has Jeff Kassel appeared in?
On television, Jeff Kassel has appeared in Star Trek: Discovery, The Strain, Designated Survivor, Haven.
Jeff Kassel
· Toronto, Ontario, Canada
Jeff Kassel – Canadian actor, writer, and producer, born 10 March (year not firmly established) in Toronto, Ontario, Canada. Best known for playing Ron Mitchell in the FX/Showcase sitcom Testees (2008, 13 episodes), which was nominated for several Gemini Awards and aired in over 100 countries. His most notable film roles include Donnie Silverman in Molly's Game (2017), a Software Company Manager in Traitor (2008), a Post Agent in The Sentinel (2006), and Teddy in Talk to Me (2007). On television he has appeared as a series regular on CBC's The X (two seasons), and in Star Trek: Discovery (2022), The Strain (2016), Designated Survivor (2018), Beauty and the Beast (2015), Workin' Moms (2017), Private Eyes (2016), Lost Girl (2010), Haven (2012), Saving Hope (2012), The Secret Life of Marilyn Monroe (2015), Against the Wall (2011), Skins (North American, 2011), and You Got Trumped: The First 100 Days (2016). He also provided voice work for Razzberry Jazzberry Jam (2008) and was a co-producer of the Gemini Award-winning documentary Camp Hollywood. His screenwriting has won Telefest Awards and the Silver Hugo at the Chicago International Film Festival.