John Mahoney once appeared as an inept jingle writer, which included a brief conversation with Frasier Crane, whose father he later portrayed on the spin-off Frasier. Peri Gilpin, who later played Roz Doyle on Frasier, also appeared in one episode of Cheers, in its 11th season, as Holly Matheson, a reporter who interviews Woody. The Righteous Brothers, Bobby Hatfield and Bill Medley, also guest-starred in different episodes.