Grew up in Jersey City, NJ

Worked in the parts department of a car dealership after graduating from high school

Interested in acting after seeing the off-Broadway play, "Scuba Duba", Walter became an apprentice at the Totem Pole Playhouse, a summer theater whose impresario was actor Jean Stapleton

Went on the study acting with David Le Grant, and began to get parts in off-Broadway productions and NY-based soap operas

Made feature film debut in a bit part in "Badge 373"; also played a bit that same year in "Serpico"

Earliest feature film credits include a bit in the Woody Allen film, "Annie Hall"

First TV-movie, "Mad Bull"

Played Frog Rothchild Jr on the ABC sitcom, "Best of the West"

First film for director Jonathan Demme, "Something Wild"

Played recurring role of Wilshinsky on the NBC drama series, "The Bronx Zoo"

Played "Blinky" Watts on the short-lived (three episodes) ABC sitcom, "On the Air"

Appeared in the recurring role of Phil Swill on several episodes of the Fox comedy-adventure series, "The Adventures of Brisco County, Jr."