No one will ever argue that someone could have played Helen Keller better than Patty Duke. It was an incredibly demanding role and I don't think anyone can argue that it was a false performance.

He had recurring roles in Rhoda from 1974 to 1978; One Day at a Time from 1975 to 1976; Hot L Baltimore in 1975; and the pilot to an NBC sitcom Bumpers in 1977. Filmography
Bittersweet Love (1976)
Semi-Tough (1977)
Who'll Stop the Rain (1978)
Mr. S.

Masur sits on the Corporate Board of the Motion Picture & Television Fund. Richard Masur (born November 20 1948) is an American actor who has appeared in more than 80 movies during his career.