Jeff Kassel: Jeff Kassel. Actor: The Sentinel. Jeff Kassel was an Executive Producer, Writer and appeared in the CSA-nominated Showcase original series Kenny Hotz's Triumph of the Will. He also starred as Ron Mitchell in the FX original sitcom Testees (Showcase in Canada), which was nominated for several Gemini awards including Best Comedy Series, and has aired in over 100 different countries and was translated into more than a dozen languages. He...
Known For: The Sentinel (Post Agent #2), Traitor (Software Company Manager), You Got Trumped: The First 100 Days (Bill - Faux News Co-Anchor), Molly's Game (Donnie Silverman)