Reynolds made his screen debut in the 1934 Our Gang short Washee Ironee, and for the next three decades made numerous appearances in films such as Captains Courageous (1937), Love Finds Andy Hardy (1938), Boys Town (1938), They Shall Have Music (1939), Santa Fe Trail (1940), Adventure in Washington (1941), Eagle Squadron (1942) and The Country Girl (1954) and on television series like I Love Lucy, Armstrong Circle Theatre, Whirlybirds, and Hallmark Hall of Fame. He was contracted to MGM between 1937 and 1940.