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 Beatrice Colen Marsha Simms Guest Star Nellie Bellflower Maureen Guest Star Herbert Edelman Burglar Guest Star David Ketchum Army Lt. Col. Binicky Guest Star Ivor Francis Dr. Ed Castle Guest Star George Furth Mr. Pinney Guest Star Linda Purl Gloria Guest Star Misty Rowe Wendy Guest Star Christina Hart Carole Actman Guest Star Ronnie Schell Monty Miller Guest Star Jack Perkins Drunk Guest Star Neil J. Schwartz Bag Zombroski Guest Star Richard Kuller Charlie Guest Star Jerry Paris Director George Tyne Director Frank Buxton Director Herb Wallerstein Director Jerry London Director Garry Marshall Director Bill Idelson Writer