Peter Grosz’s Sonic commercial cast mate T. J. Jagodowski has also built a niche career for himself outside of Sonic’s commercials, having appeared in television series including Chicago Fire and Shrink, as well as a roles in film including Hackers, Stranger Than Fiction, The Ice Harvest, No Sleep Till Madison, and Get Hard. Jagodowski is also a well-known improv artist, and has been a member of the legendary Second City troupe.