Dick Van Dyke Rob Petrie Actor Mary Tyler Moore Laura Petrie Actor Rose Marie Sally Rogers Actor Morey Amsterdam Maurice "Buddy" Sorrell Actor Richard Deacon Mel Cooley Actor Larry Mathews Ritchie Petrie Actor Frank Adamo Man in Library Guest Star Don Rickles Lyle Delp Guest Star Jerry Van Dyke Stacey Petrie Guest Star Jerry Paris Jerry Helper Actor, Director Carl Reiner Alan Brady Actor, Writer Jane Dulo Cousin Margaret Guest Star Sandy Kenyon Lionel Dann Guest Star Joel Fluellen Bailiff Guest Star Ann Morgan Guilbert Millie Helper Actor Johnny Silver Guest No. 1 Guest Star Patty Regan Cousin Grace Guest Star Bill Idelson Herman Glimscher Guest Star Sally Carter-Ihnat Florence Guest Star Amzie Strickland May Guest Star Peter Baldwin Director Alan Rafkin Director Theodore J. Flicker Director Lee Philips Director Howard Morris Director Bill Persky Writer Garry Marshall Writer Joseph Cavella Writer Jay Burton Writer Martin Ragaway Writer Howard Ostroff Writer Dale McRaven Writer Sam Denoff Writer Jerry Belson Writer Ernest Chambers Writer Joan Darling Writer Carl Kleinschmitt Writer Howard Merrill Writer