Kat Foster: Kat Foster. Actress: Jean-Claude Van Johnson. Kat Foster is a profoundly versatile, classically-trained actor known for her leading roles in a wide range of film, television, and theater productions. Equally adept in both comedic and dramatic genres, Foster broke into mainstream television in 2006 as Steph Woodcock on FOX rom-com series Til Death, starring opposite Brad Garrett, Joely Fisher, and Eddie Kaye Thomas. She next starred in TBS sitcom Your...