TMDb/Shifting Gears TV Jenna Elfman's new Fox role may force Shifting Gears cast changes. Get the latest on the series shake-up and her character in The Interrogator. May 10, 2026 AceShowbiz - Shifting Gears may be facing cast changes after Jenna Elfman secured a significant role in the new Fox series The Interrogator. On Tuesday, May 5, Deadline revealed that Elfman, 54, will star as a series regular alongside Stephen Fry, Luke Kleintank, and Michael Beach in the 12-episode straight-to-series order project.