Main Characters Joanie Cunningham 17 main appearances Al Delvecchio 17 main appearances Mario 17 main appearances Louisa Arcola Delvecchio 17 main appearances Annette 17 main appearances Bingo 17 main appearances Chachi Arcola 16 main appearances Uncle Rico Mastorelli 16 main appearances
Recurring Guest Characters Howard Cunningham 2 guest appearances Marion Cunningham 2 guest appearances Carol 1 guest appearances Tad 1 guest appearances Girl #1 1 guest appearances Girl #2 1 guest appearances Claudia 1 guest appearances Minister 1 guest appearances Wendell 1 guest appearances Squelch 1 guest appearances Chip 1 guest appearances Judi 1 guest appearances Suki 1 guest appearances Arthur 'Fonzie' Fonzarelli 1 guest appearances Linda 1 guest appearances Mark 1 guest appearances Girl 1 guest appearances Nancy 1 guest appearances Professor Harland 1 guest appearances Professor Logan 1 guest appearances ⇤ « 1 2 3 » ⇥