Kelsey Grammer Dr. Frasier Crane Actor, Executive Producer John Mahoney Martin Crane Actor Jane Leeves Daphne Moon Actor David Hyde Pierce Dr. Niles Crane Actor Peri Gilpin Roz Doyle Actor Saul Rubinck Donny Douglas Guest Star Rachel York Dinah aka Officer Nasty Guest Star Gigi Rice Regan Shaw Guest Star Jane Adams Dr. Mel Karnofsky Guest Star David Angell Executive Producer Peter Casey Executive Producer David Lee Executive Producer Christopher Lloyd Executive Producer Joe Keenan Executive Producer Robert H. Egan Director Dan O'Shannon Writer