Understudies:
Molly Alvarez
(Marion Cunningham, Joanie Cunningham), Justin Michael Duval
(Arthur 'The Fonz' Fonzarelli), Chris Fore
(Arthur 'The Fonz' Fonzarelli), Joseph Keane
(Charles 'Chachi' Arcola, Ralph Malph, Warren 'Potsie' Webber), James Michael Lambert
(Richie Cunningham, Charles 'Chachi' Arcola), Jaclyn Miller
(Lori Beth Allen, Pinkette Carolina, Pinkette Harriet, Car Hop), Barry Pearl
(Howard Cunningham), Gabrielle Reed
(Pinky Tuscadero) and Jeff Sumner
(Arnold Delvecchio, Myron 'Count' Malachi, Jumpy Malachi, James Dean, Leopard Mac Gates)
Understudies:
Molly Alvarez
(Marion Cunningham, Joanie Cunningham), Justin Michael Duval
(Arthur 'The Fonz' Fonzarelli), Chris Fore
(Arthur 'The Fonz' Fonzarelli), Joseph Keane
(Charles 'Chachi' Arcola, Ralph Malph, Warren 'Potsie' Webber), James Michael Lambert
(Richie Cunningham, Charles 'Chachi' Arcola), Jaclyn Miller
(Lori Beth Allen, Pinkette Carolina, Pinkette Harriet, Car Hop), Barry Pearl
(Howard Cunningham), Gabrielle Reed
(Pinky Tuscadero) and Jeff Sumner
(Arnold Delvecchio, Myron 'Count' Malachi, Jumpy Malachi, James Dean, Leopard Mac Gates)