Peter Meyer Kass (April 28, 1923 – 4 August 2008) was an American theater actor and director who became a well-known teacher. His mentor Clifford Odets chose Kass to direct and develop The Country Girl before it opened on Broadway. Kass played Frank Elgin, the male lead.
Kass later directed four Broadway plays, including a short-lived revival of Odets' Night Music and Lorraine Hansberry's The Sign in Sidney Brustein's Window, and he directed for television on Assignment: Manhunt and for films, including Time of the Heathen.
Kass taught at Boston University in the 1950s, then at New York University in the 1960s and 1970s before becoming a private instructor. Students included Olympia Dukakis, Faye Dunaway, John Cazale, Maureen Stapleton and Val Kilmer.