Paul Hartman shows off his dancing skills in this episode. He began dancing at age 4, and had a vaudeville dance act with his soon to be wife in the 1920s.
Howard Sprague's mother is played by Mabel Albertson, who made a career playing unpleasant, supercilious mothers-in-law. Her more notable TV roles included Samantha Stevens' (Elizabeth Montgomery's) mother-in-law on "Bewitched," and the future mother-in-law of 'Ann Marie' (Marlo Thomas) on "That Girl."
Iggie Wolfington (George Watkins) and Mabel Albertson (Mrs. Sprague) later appeared in the same episode of "The Mary Tyler Moore Show" (1970) titled "Anyone Who Hates Kids and Dogs" (S5E24) playing members of the same family.
The girl behind the sterring wheel getting gas at the filling station is actress Terri Garr. Goober asks her to the party.