The holder of a BA from New York's City College, actor Robert Walden began making the theatrical rounds in the early 1960s. Beginning with The Out-of-Towners (1970), Walden showed up in several film supporting roles, ranging from Donald Segretti in All the President's Men (1976) to a philosophical sperm (!) in Woody Allen's Everything You Always Wanted to Know About Sex... (1972). Having previously been a regular on the TV series The New Doctors (1972), Walden attained a measure of stardom as "Woodstein"-style investigative reporter Lou Rossi in the weekly Lou Grant (1977-82). Never one to back away from a creative challenge, Robert Walden signed on as co-star of the 1984 Showtime series Brothers, one of the first American sitcoms to feature openly gay characters. In the years to come, Walden would remain active on screen, appearing on the TV series Happily Divorced.
- At the age of 4, played the character of Jo in a camp production of Little Women.
- Attended the Actors Studio in New York City.
- Made movie debut in the 1970 crime-drama Bloody Mama.
- One of the first plays he directed, Dylan, won three L.A. Critics Circle Awards.
- His performance in Mr. Rickey Calls a Meeting at the Pasadena Playhouse in 1997 won him the Dramalogue Award for Best Actor.
- Taught acting classes at the Beverly Hills Playhouse and New York City's New School for Drama; also taught cinema history at the University of Central Arkansas in Conway, AR.