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 John Glenn John Glenn Guest Star Tom McGowan Kenny Daly Guest Star Rob Moore B.K. Guest Star Harold Prince Fred Guest Voice David Angell Executive Producer Peter Casey Executive Producer David Lee Executive Producer, Director Mark Reisman Executive Producer Dan O'Shannon Executive Producer Sam Johnson Writer Chris Marcil Writer