• 
• Alan Badel
• Mrs. Donald Crawford (Nia)
  

• 
• Francis Bethencourt
• Captain Forster
  

• 
• Coral Browne
• Mrs. Rossiter (Lila)
  

• 
• Gubi Mann
• Mrs. Sarah Gray
  

• 
• Staats Cotsworth
• Sir James Russell
  

• 
• M'el Dowd
• Mrs. Emilia Pattison (later Lady Dilke)
  

• 
• Henderson Forsythe
• Mr. Donald Crawford
  

• 
• Charles D. Gray
• Sir Charles Dilke
  

• 
• Louise Larabee
• Mrs. Pelham
  

• 
• William Roerick
• Mr. Joseph Chamberlain
  

• 
• Frances Sternhagen
• Mrs. Ashton Dilke (Maye)
  

• 
• Marie Wallace
• Mrs. Garland (Helen)
  

• 
• Frederick Young
• Brookes
  

• 
• Ed Zimmermann
• Mr. Bodley
  

• 
• Francis Bethencourt
• Sir Charles Dilke
  

• 
• Gubi Mann
• Mrs. Rossiter (Lila)
  

• 
• Henderson Forsythe
• Mr. Joseph Chamberlain
  

• 
• Sylvia O'Brien
• Brookes
  Mrs. Emilia Pattison
  Mrs. Pelham
  Mrs. Sarah Gray
  

• 
• Nancy Reardon
• Mrs. Ashton Dilke (Maye)
  Mrs. Donald Crawford (Nia)
  Mrs. Garland (Helen)
  

• 
• Frederick Young
• Captain Forster
  Mr. Bodley
  Mr. Donald Crawford
  Sir James Russell
  

• 
• Michael Dyne
• Writer
  

• 
• Frith Banbury
• Director
  

• 
• Loudon Sainthill
• Scenic Design
  Costume Design
  

• 
• Lloyd Burlingame
• Lighting Design
  

• 
• John Maxtone-Graham
• Production Stage Manager
  

• 
• William H. Batchelder
• Stage Manager
  

• 
• Sol Jacobson
• General Press Representative
  

• 
• Lewis Harmon
• General Press Representative
  

• 
• Mary Ward
• General Press Representative
  

• 
• Peter Cookson
• Producer
  

• 
• Amy Lynn
• Producer
  

• 
• Walter Schwimmer
• Producer