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 Richard Rosebud 'Ritchie' Petrie 2 guest appearances Maurice B. 'Buddy' Sorrell 1 guest appearances Sally Rogers 1 guest appearances Melvin 'Mel' Cooley 2 guest appearances Millie Helper 2 guest appearances Jerry Helper 2 guest appearances Alan Brady 5 guest appearances Delivery Boy 4 guest appearances Pickles Sorrell 3 guest appearances Sam Petrie 3 guest appearances Lyle Delp 2 guest appearances Sam 2 guest appearances Party Guest 2 guest appearances Sol Pomerantz 2 guest appearances Mrs. Billings 2 guest appearances Tony Daniels 2 guest appearances Mr. Meehan 2 guest appearances Clark Rice 1 guest appearances Kolak 1 guest appearances Mr. Soberman 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 » ⇥