Charles Lane (Mr. O' Reilly) was a popular character actor in 1960s sitcoms. He would live to be 102, with over 370 film and TV series titles to his credit. On his busiest days, Lane said he sometimes played more than one role, getting into costume and filming his two or three lines, then hurrying off to another set for a different costume and a different role.
Carlos Ramirez drives a white 2-door convertible fifth generation (1965-1966) Cadillac Eldorado. This model had vertical headlight pairs, planed flat tail fins, and sharp, distinct body lines. Historically, this brand of automobiles has always held a place at the top of the luxury market within the United States.
Rich Little appears for the second and final time as the accident-prone Brother Paul Leonardi, one of his few roles as a character actor rather than an impressionist. He had appeared previously in With a Friend Like Him, Who Needs? (1967).
Carlos Ramirez drives a 1968 Cadillac DeVille convertible. Up to 1966, Cadillac Eldorado shared its body with Cadillac DeVille. In 1967, Cadillac Eldorado became a FWD car with its own body that was shared with Oldsmobile Tornado and Buick Riviera.