Kelsey Grammer Dr. Frasier Crane Actor, Executive Producer, Director John Mahoney Martin Crane Actor Jane Leeves Daphne Moon Actor David Hyde Pierce Dr. Niles Crane Actor Peri Gilpin Roz Doyle Actor Millicent Martin Gertrude Moon Guest Star James Oliver James the Waiter Guest Star Bill Hayes Neil "Sully" Sullivan Guest Star Soren Fulton Justin Guest Star Anthony LaPaglia Simon Moon Guest Star Patrick Kerr Noel Shempsky Guest Star Lindsay Crouse Peg Guest Star Brian Stokes Mitchell Cam Winston Guest Star Allison Janney Phyllis Guest Voice Catherine Bruhier Cathy Guest Star Tom McGowan Kenny Daly Guest Star Brian Klugman Guest Star Brian Cox Harry Moon Guest Star Jamieson Price Barfly 3 Guest Star Craig Nigh Graham Guest Star David Angell Executive Producer Peter Casey Executive Producer David Lee Executive Producer, Director Mark Reisman Executive Producer Dan O'Shannon Executive Producer Sheldon Epps Director Wil Shriner Director Katy Garretson Director Eric Zicklin Writer Lori Kirkland Baker Writer Jon Sherman Writer Sam Johnson Writer Saladin K. Patterson Writer Rob Hanning Writer Gayle Abrams Writer Bob Daily Writer Chris Marcil Writer