In 2011 he completed the suspense film Elevator, in which he plays one of several people trapped in a New York elevator with an evil presence.
His film roles include computer industry pioneer Steve Wozniak in the film Pirates of Silicon Valley, and a part in the 1996 blockbuster Twister. Additionally, he was on the cast of the television shows Boston Public in 2000-2001, The Single Guy from 1995–1997, and Nip/Tuck from 2003-2006. In 2009, Slotnick played Groucho Marx"s role of Captain Jeffrey Spaulding in The Goodman Theatre"s production of Animal Crackers.
The performance was nominated for a Joseph Jefferson Award for best actor.
Slotnick has logged several guest appearances on a number of popular television shows. He also does commercial work, ads for the National Basketball Association, 21st Century Insurance, Staples and Verizon Fios.
Slotnick is Jewish.