Stefan Gierasch made his earliest Broadway appearances in comic juvenile roles in such popular fare as Kiss and Tell and A Hatful of Rain. As he matured, Gierasch was afforded meatier assignments in plays like a Hatful of Rain, Compulsion and The Iceman Cometh. He made his first film appearance as a preacher in The Hustler (1961); subsequent film roles have included murder victim Professor Schreiner in Silver Streak (1974), Principal Norton in Carrie (1976) and the House Majority Leader in Dave (1993).
Stefan Gierasch has been seen on TV as hospital bureaucrat J. Powell Karbo in AES Hudson Street (1978) and in the dual role of Professor Woodard and Joshua in the 1991 prime time revival of Dark Shadows. ~ Hal Erickson, All Movie Guide. 