| Guido at an early age | | Bryan Sabbag |
| Luisa Contini | | Shannon Mühs |
| Carla Albanese | | Fran Betlyon |
| Claudia Nardi | | Eliza Xenakis |
| Guido's Mother | | Amy DeMarco |
| Liliane LaFleur | | Janet Ferreri |
| Stephanie Necrophorous / Lina Darling | | Jennifer Bubriski |
| Our Lady of the Spad | | Christyn M. Schroeder |
| Mama Maddelena | | Shonna McEachern |
| Olga von Sturm | | Katherine Drexel |
| Heidi von Sturm | | Penny Hansen |
| Young Guido's schoolmates | | Samuel Fidler, Matthew Milton |
Orchestra
| Conductor | | Julia Scott Carey |
| Violin | | Hana Asazuma-Cheng, Mabel Chan, Anand Jagannath |
| French Horn | | Ami Fields, Marina Krickler |
| Trumpet | | Carl S. McGrier II |
| Percussion | | Brian O'Neill, Patrick Litterst, Jeremy Nimmer |
Production Staff
| Executive Producer | | P. K. Newby |
| Production Manager | | Vilas Sridharan |
| Stage Manager | | AB Commendatore |
| Set Designer | | Becky Schall |
| Lighting Designer | | Brandon M. Thrasher |
| Costume Designer | | Ian Flynn |
| Sound Designer | | Ben Markham |
| Technical Director (Set) | | John Randell |
| Technical Director (Lights and Sound) | | Martin Kemp |
| Master Electrician | | Ricky Morse |
| Master Painter | | Becky Schall |
| Assistant Production Manager | | Christine Toohey |
| Assistant Stage Managers | | Rose Linnell, Jen Suitter |
| Rehearsal Pianist | | Karin Denison |
| Dance Captain | | Siobhaun Maus |
| Assistant Dance Captain | | Christyn M. Schroeder |
| Head Dresser / Wardrobe | | Mary Lu Mendonca |
| Sound Board Operator | | Reid Stevenson |
| Spotlight Operator | | Shannon Bailey |
| Box Office Manager | | Milena Buls |
| Painters | | Amy Markham, Ben Markham, Michelle Merry, |
| Electricians | | Debbie Becker, Martin Kemp, Paul Mattal |
| | Steven Schwartzberg, Brandon Thrasher |
| Carpenters | | Sanjay D'Souza, Brie Frame, Paul Jasper, |
| | Ben Markham, Liz Seru, Vilas Sridharan, Sarah D. Wolf |
| Graphics Designer / Playbill Cover | | Wendy Perrotta |
| Playbill Designer | | Michelle E. Merry |
| Load-in Crew | | Milena Buls, Brie Frame, Sanjah D'Souza, |
| | Jenny Mankin, Amy Markham, Ben Markham, |
| | Dana Schaa, Sarah D. Wolf |
