Sturdy lead and character player who first gained attention as a squeaky-voiced juvenile on radio serials ("A Date with Judy", "Burns and Allen") and as the none-too-bright, love-sick teen Walter Denton on "Our Miss Brooks" (moving with the series when it transferred to TV, 1952-56). Although Crenna entered films in 1952 and made several features during the 50s (including a 1956 adaptation of "Our Miss Brooks"), he basically made the transition to adult roles as the star of such TV series as "The Real McCoys" (1957-63; as son Luke) and "Slattery's People" (1964-65; as an idealistic state
Began career as a guest actor and sometime regular on such radio series as "Boy Scout Jamboree" (at age 10), "A Date With Judy", "Burns and Allen", "The Hardy Family", "The Great Gildersleeve", "Our Miss Brooks"
1952
Screen acting debut, "Pride of St. Louis"
1952
TV series acting debut, as problem student Walter Denton on "Our Miss Brooks" (he later played in the 1956 film based on the series)
Starred as Luke McCoy on the popular sitcom, "The Real McCoys"
Began directing TV with the fifth and sixth seasons of "The Real McCoys"
