• 
• George Abbott
• Mr. Antrobus
  

• 
• Helen Hayes
• Mrs. Antrobus
  

• 
• Mary Martin
• Sabina
  

• 
• Florence Reed
• Fortune Teller
  

• 
• Heller Halliday
• Gladys
  

• 
• Don Murray
• Henry
  

• 
• Jonathan Anderson
• Professor
  

• 
• Charles Boaz
• Lifeguard
  

• 
• Vinie Burrows
• Dinosaur
  Ivy
  

• 
• Emily Cobb
• Ensemble
  

• 
• Jack Delmonte
• Ensemble
  

• 
• John Dorman
• Ensemble
  

• 
• David Elliott
• Ensemble
  

• 
• Alice Fay
• Drum Majorette
  

• 
• Howard Fischer
• Fred Bailey
  Homer
  

• 
• Earl George
• Announcer
  Broadcast Official
  

• 
• Tom Geroghty
• Ensemble
  

• 
• Eileen Lear
• Miss E. Muse
  

• 
• Frank Hamilton
• Ass't Broadcast Official
  

• 
• Lily Lodge
• Ensemble
  

• 
• Paul Morrison
• Mr. Fitzpatrick
  

• 
• Fred Kareman
• Telegraph Boy
  

• 
• Richard O'Neil
• Ensemble
  

• 
• Maud Scheerer
• Bingo Caller
  Hester
  Miss M. Muse
  

• 
• Frank Silvera
• Chair Pusher
  Judge
  Mr. Tremayne
  

• 
• Ann Stanwell
• Ensemble
  

• 
• Frances Sternhagen
• Miss T. Muse
  

• 
• Patricia Taffe
• Mammoth
  

• 
• Norma Veney
• Drum Majorette
  

• 
• Thornton Wilder
• Writer
  

• 
• Alan Schneider
• Director
  

• 
• Lester Polakov
• Scenic Design
  

• 
• Helene Pons
• Costume Design
  

• 
• Feder
• Lighting Design
  

• 
• Philip Mathias
• Stage Manager
  

• 
• Howard Fischer
• Assistant Stage Manager
  

• 
• Frank Hamilton
• Assistant Stage Manager
  

• 
• Terry Fay
• Casting
  

• 
• Louis A. Lotito
• ANTA Theatre Managing Director
  

• 
• Oscar E. Olesen
• General Manager
  

• 
• Harold Kusell
• Company Manager
  

• 
• Barry Hyams
• General Press Representative
  

• 
• Martin Schwartz
• Associate Press Representative
  

• 
• Robert Whitehead
• Producer
  

• 
• The American National Theatre and Academy
• Producer