Shirley Jones Shirley Patridge Actor David Cassidy Keith Partridge Actor Susan Dey Laurie Partridge Actor Danny Bonaduce Danny Partridge Actor Brian Forster Christopher Patridge Actor Suzanne Crough Tracy Partridge Actor Dave Madden Reuben Kinkaid Actor Jackie Coogan Grandpa Walter Renfrew Guest Star Rick Segall Ricky Stevens Guest Star Liam Dunn Mr. Neumeyer Guest Star Elaine Giftos Bonnie Kleinschmidt Guest Star Mike Rupert Mark Guest Star Kathryn Reynolds Mrs. Bullock Guest Star Gino Conforti Maitre 'D Guest Star Maureen Reagan Photographer Guest Star Gary Dubin Punky Lazaar Guest Star Gordon Jump Zack Feldman Guest Star Florida Friebus Mrs. Hendleman Guest Star Maggie Roswell Lois Guest Star Monty Margetts Mrs. Klevens Guest Star Charles Rondeau Director Bernard Slade Writer William Bickley Writer