Young Frankenstein (musical) Roles and original Broadway cast Roles and original Broadway cast

| Role_ | Original_Broadway_production | First_US_National_Tour | Second_US_National_Tour | Original_Italian_production |
|---|---|---|---|---|
| Dr. Frederick Frankenstein | Roger Bart | Roger Bart | A.J. Holmes | Giampiero Ingrassia |
| The Monster | Shuler Hensley | Shuler Hensley | Rory Donovan | Fabrizio Corucci |
| Igor | Christopher Fitzgerald | Cory English | Christopher Timson | Mauro Simone |
| Inga | Sutton Foster | Anne Horak | Elizabeth Pawlowski | Valentina Gullace |
| Elizabeth Benning | Megan Mullally | Beth Curry | Lexie Dorsett | Giulia Ottonello |
| Frau Blücher | Andrea Martin | Joanna Glushak | Pat Sibley | Altea Russo |
| Inspector Hans Kemp Harold the Hermit | Fred Applegate | Brad Oscar | Britt Hancock | Felice Casciano |
| Dr. Victor von Frankenstein | Kevin Ligon | N/A | N/A | Roberto Colombo |