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 Delivery Man 1 guest appearances Policeman 1 guest appearances Nice Old Lady 1 guest appearances Mr. Evans 1 guest appearances Sid 1 guest appearances Cop 1 guest appearances Party Guest 1 guest appearances Fred 1 guest appearances Jim Darling 1 guest appearances Uncle Edward 1 guest appearances Grandpa Petrie 1 guest appearances Alberta Schweitzer 1 guest appearances Prisoner 1 guest appearances TV Announcer 1 guest appearances Guard Jenkins 1 guest appearances Inmate 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 » ⇥