Conversation so far:
who plays walter denton on our miss brooks
Richard Crenna's first success came on radio in 1948 as Walter Denton in the CBS network series Our Miss Brooks, continued with the comedy in its 1952 move into television.
did richard crenna appear on other shows besides our miss brooks
Richard Crenna had a role as Luke McCoy in the ABC, and later CBS, television series, The Real McCoys (1957–63).
Did Richard Crenna appear in movies?
Richard Crenna starred The Sand Pebbles, Wait Until Dark, Un Flic, Body Heat, the first three Rambo movies, Hot Shots! Part Deux, and The Flamingo Kid.

Question: what was the actor's most famous role
Self-contained rewrite: what was richard crenna's most famous role