As an acting teacher (from 1960), he patterned his work after Stanislavsky in modeling behavior, while shortcutting psychoanalytic methods used by Lee Strasberg and others in stirring up emotion and motivation.
Ex-brother-in-law of Millie Perkins.
Guy's professional career began teaching school in Dutch Flats, California in order to support his young family. He later turned to acting.
He helped create the Los Angeles Art Theater. He also traveled across the country, starring in "Seagull," "Born Yesterday" and "The Misanthrope," and he taught at the University of California, Los Angeles for two years in the masters program for acting. He had two sons and one daughter.
Older brother of Dean Stockwell.
Son of Nina Olivette and Harry Stockwell. His mother was born Elizabeth Margaret Veronica and also went by "Betty Veronica" as a stage name. She was a vaudeville musical performer who retired to raise Guy and brother Dean. His father provided the singing voice of "The Prince" in the animated classic Snow White and the Seven Dwarfs (1937).
Stockwell also made a name for himself as an acting teacher in Los Angeles, where he also produced plays at a number of small theaters. He also taught in the master's program for acting at UCLA.