 Robert Alda (qv), Alan Alda (qv)s father, had guest appearances  in two episodes, "The Consultant" and "Lend a Hand". "Lend a Hand"  also featured a guest appearance by Antony Alda (qv), Alan Aldas  brother. According to Alan Alda, "Lend a Hand" was his way of  reconciling with his dad; he was always giving suggestions to Robert  for their vaudeville act and in "Lend a Hand" Roberts character was  always giving Hawkeye suggestions. It was Roberts idea for the  doctors to cooperate as "Dr. Right" and "Dr. Left" at the end of  that episode, signifying both a reconciliation of their characters  and in real life as well.