• 
• William Hickey
• Dr. Einstein
  

Replacement

• 
• Polly Holliday
• Martha Brewster
  

Replacement

• 
• Tony Roberts
• Mortimer Brewster
  

Replacement

• 
• Jean Stapleton
• Abby Brewster
  

• 
• Abe Vigoda
• Jonathan Brewster
  

Replacement

• 
• Gwyllum Evans
• The Rev. Dr. Harper
  

• 
• Andrew Gorman
• Officer Brophy
  

• 
• J. J. Johnston
• Officer Klein
  

• 
• Mary Layne
• Elaine Harper
  

• 
• Kevin McClarnon
• Officer O'Hara
  

• 
• Michael John McGann
• Teddy Brewster
  

• 
• William Preston
• Mr. Gibbs
  

• 
• Phillip Pruneau
• Mr. Witherspoon
  

• 
• Barry Snider
• Lieutenant Rooney
  

• 
• Virginia Downing
• Abby Brewster
  Martha Brewster
  

Replacement

• 
• Andrew Gorman
• Officer O'Hara
  

• 
• J. J. Johnston
• Jonathan Brewster
  

Replacement

• 
• John Leighton
• Lieutenant Rooney
  Mr. Gibbs
  Mr. Witherspoon
  The Rev. Dr. Harper
  

• 
• Phillip Pruneau
• Dr. Einstein
  

Replacement

• 
• Karen Trott
• Elaine Harper
  

• 
• Joseph O. Kesselring
• Writer
  

• 
• Brian Murray
• Director
  

• 
• Marjorie Kellogg
• Scenic Design
  

• 
• Jeanne Button
• Costume Design
  

• 
• Pat Collins
• Lighting Design
  

• 
• Paul Huntley
• Hair Design
  

• 
• Elliott Woodruff
• Production Stage Manager
  

• 
• Wally Peterson
• Stage Manager
  

• 
• Marjorie Martin
• Casting
  

• 
• Ralph Roseman
• General Manager
  

• 
• Mitchell Brower
• Company Manager
  

• 
• Jeffrey Richards
• General Press Representative
  

• 
• Serino, Coyne & Nappi
• Advertising
  

• 
• Martha Swope and Associates
• Photographer
  

• 
• Elliot Martin
• Producer
  

• 
• Act III Productions (Norman Lear, Founder)
• Producer
  

• 
• James M. Nederlander
• Producer
  

• 
• Burton C. Kaiser
• Producer
  

• 
• Great Lakes Theater Festival
• Original Presenter
  

• 
• Howard Lindsay
• Original N.Y. Production
  

• 
• Russel Crouse
• Original N.Y. Production