Complex sentence: Higgins was the unnamed "dog" actor from the television sitcom "Petticoat Junction", who was the star of the 1974 feature film "Benji" and a 1977 sequel, "For The Love of Benji".
Split into simpler sentences: Higgins was the unnamed "dog" actor from the television sitcom "Petticoat Junction". He was also the star of the 1974 feature film "Benji" and a 1977 sequel, "For The Love of Benji".