Peerce made an appearance last week at a screening of The incident in New York's Film Forum.   First, the film is a brutal and harrowing experience of two thugs (Tony Musante and Martin Sheen ) who board a subway train and terrorize the passengers. The cast is excellent with mix of old pros (Thelma Ritter, Gary Merrill and Jan Sterling) and up and coming stars (Sheen,Beau Bridges and Donna Mills).   Peerce gave a great talk after the film. He said that they ran out of money after some on loc