Ron Howard Richie Cunningham Actor Henry Winkler Arthur "Fonzie" Fonzarelli Actor Tom Bosley Howard Cunningham Actor Marion Ross Marion Cunningham Actor Anson Williams Warren "Potsie" Weber Actor Don Most Ralph Malph Actor Erin Moran Joanie Cunningham Actor David Ketchum Army Lt. Col. Binicky Guest Star Misty Rowe Wendy Guest Star Richard Kuller Charlie Guest Star Jerry Paris Director