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 Jane Adams Guest Star Saul Rubinek Guest Star Millicent Martin Guest Star Anthony LaPaglia Guest Star David Angell Executive Producer Peter Casey Executive Producer David Lee Executive Producer Christopher Lloyd Executive Producer Joe Keenan Executive Producer