When Ray Corrigan left the popular Three Mesquiteers series of western films in 1939, rather than immediately casting another actor in his recurring role of Tucson Smith, Republic created the role of Rico for Renaldo who portrayed the character in seven subsequent Mesquiteer films.
[3] Although Renaldo was seen by audiences most often as Spanish surnamed characters, the Romania-born actor never knew his own parents or his ethnic heritage.
His film career took a two-year hiatus at McNeil Island Federal Prison for falsifying passport documents by claiming his birthplace as New Jersey.
Preceding the successful television series, he and Leo Carrillo teamed up in 1949 and 1950 for five feature length Cisco Kid movies for United Artists, four of which he co-produced.
For his contributions to the entertainment industry, Renaldo received a star at 1680 Vine Street on the Hollywood Walk of Fame on February 8, 1960.