Brother-in-law of Ann Prentiss.
Father of son Ross Benjamin (born in 1974) and daughter, Prentiss Benjamin (born in 1978), with wife Paula Prentiss.
In the mid-1950s, another actor, Richard Lightner, also worked under the name of Richard Benjamin and his credits are often erroneously included with those of the better known Richard Benjamin, who first acted professionally in the mid-1960s.
Tested for the role of "Ted Henderson" in Bob & Carol & Ted & Alice (1969).