Main Characters Robert 'Rob' Petrie 158 main appearances Laura Petrie 158 main appearances Richard Rosebud 'Ritchie' Petrie 156 main appearances Maurice B. 'Buddy' Sorrell 157 main appearances Sally Rogers 156 main appearances Melvin 'Mel' Cooley 26 main appearances Millie Helper 19 main appearances Jerry Helper 11 main appearances
Recurring Guest Characters singer 1 guest appearances Fred Staggs 1 guest appearances Vito Giotto 1 guest appearances Bill Schermerhorn 1 guest appearances Dotty 1 guest appearances Party Goer 1 guest appearances Dr. Miller 1 guest appearances Party Goer 1 guest appearances Clarisse Calvada 1 guest appearances Dr. Ridley 1 guest appearances Lady 1 guest appearances Karl 1 guest appearances Hugo 1 guest appearances Gun Drummer 1 guest appearances Jackie 1 guest appearances Artie 1 guest appearances Ted Harris 1 guest appearances Party guest 1 guest appearances Bill 1 guest appearances Plane Passenger 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 » ⇥