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 Mariachio 1 guest appearances Mrs. Kendall 1 guest appearances George Mathias 1 guest appearances Martin Mathias 1 guest appearances Philip Mathias 1 guest appearances Florian 1 guest appearances Mrs. Huntington 1 guest appearances Yale Sampson 1 guest appearances Mrs. Vonitia Fellows 1 guest appearances Dr. Torrence Hayworth 1 guest appearances Miss Thomas Evelyn 1 guest appearances H. Fieldstone Thorley 1 guest appearances Party Guest 1 guest appearances Party Guest 1 guest appearances Marla Hendrix 1 guest appearances Vinnie 1 guest appearances Sam Pomerantz 1 guest appearances Audience Member 1 guest appearances Anita Lebost 1 guest appearances Howard Lebost 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 » ⇥