When Magnum is doing rehab, Rick tells him that he has gotten them some old movies to watch including "Stalag 17" and "A Thousand Clowns." In 2001, Tom Selleck played the lead role of Murray in a Broadway revival of "A Thousand Clowns."
Gwen Verdon was nominated for an Emmy award for portraying Katherine Peterson in this but didn't win.
Richard Narita's (Father Timothy) second appearance in the series. He first appeared as Bill Nahli in Season 7 "Paper War" (1986).