Norby is an American sitcom television series that aired from January 5 until April 6, 1955 on NBC in color. RCA's color system wasn't used until the fall of 1954. This is the first color show that I'm aware of.
Created by David Swift
Data: TMDB (this product uses the TMDB API but is not endorsed or certified by TMDB), Wikidata.
Jack Warden
David Wayne
Joan Lorring
Ralph Dunn