• 
• Ian Barford
• Billy
  

• 
• George Innes
• Ray Say
  

• 
• John Christopher Jones
• Mr. Boo
  Phone Man
  

• 
• Rondi Reed
• Mari Hoff
  

• 
• Karen Vaccaro
• Sadie
  

• 
• Hynden Walch
• Little Voice
  

• 
• Mary Margaret Barry
• Mari Hoff
  Sadie
  

• 
• Marci Kipnis
• Little Voice
  

• 
• Fleur Phillips
• Little Voice
  

• 
• Martin Rayner
• Mr. Boo
  Phone Man
  Ray Say
  

• 
• Matthew Ross
• Billy
  

• 
• June Shellene
• Musical Director
  

• 
• Jim Cartwright
• Writer
  

• 
• Simon Curtis
• Director
  

• 
• Thomas Lynch
• Scenic Design
  

• 
• Allison Reeds
• Costume Design
  

• 
• Kevin Rigdon
• Lighting Design
  

• 
• Rob Milburn
• Sound Design
  

• 
• Malcolm Ewen
• Production Stage Manager
  

• 
• Alden Vasquez
• Stage Manager
  

• 
• B. H. Barry
• Action Sequences
  

• 
• Gregory Meeh
• Special Effects
  

• 
• Arthur P. Siccardi
• Technical Supervisor
  

• 
• Jay Binder
• New York Casting Director
  

• 
• Gillian Lane-Plescia
• Dialect Coach
  

• 
• Leonard Soloway
• General Manager
  Producer
  

• 
• Dana Sherman
• Company Manager
  

• 
• Shirley Herz Associates
• Press Representative
  

• 
• Serino Coyne
• Advertising
  

• 
• James M. Nederlander
• Producer
  

• 
• Charlene Nederlander
• Producer
  

• 
• Peggy Hill
• Producer
  

• 
• Dennis Grimaldi
• Producer
  

• 
• PACE Theatrical Group, Inc.
• Producer
  

• 
• Kevin McCollum
• Producer
  

• 
• Jon B. Platt
• Producer
  

• 
• James L. Nederlander
• Producer
  

• 
• Michael Codron
• Producer
  Original Producer in London
  

• 
• Matt Garfield
• Produced in association with
  

• 
• Fox Theatricals
• Associate Producer
  

• 
• Michael Leavitt
• Associate Producer
  

• 
• Libby Adler Mages
• Associate Producer
  

• 
• Nick Scandalios
• Associate Producer
  

• 
• Steppenwolf Theatre Company
• Originally produced in the United States