• 
• Humbert Allen Astredo
• Mr. Calvin
  

• 
• Jean-Pierre Aumont
• Dag Hammarskjold
  

• 
• John Baragrey
• Ambassador of United States
  

• 
• Tyrone Brown
• One of the U.N. Soldiers, Congolese Men and Women
  

• 
• John Clarkson
• British Consul
  White Settler
  

• 
• Barbara Colby
• Mme. Rose Rose
  

• 
• Richard Easton
• James Bonham
  

• 
• Neil Fitzgerald
• Viscount Tamworth
  

• 
• Stephen Goff
• One of the U.N. Soldiers, Congolese Men and Women
  

• 
• Louis Gossett, Jr.
• Patrice Lumumba
  

• 
• Gilbert Green
• Rajat Asdal
  

• 
• Ben Hammer
• Ambassador of Soviet Union
  

• 
• Leonard Jackson
• Moise Tshombe
  

• 
• Herbert Jefferson Jr.
• Diallo Dop
  

• 
• Jack Landron
• U.N. Sergeant
  

• 
• William Larsen
• Monsignor Polycarpe
  

• 
• Sharon Laughlin
• U.N. Attendant
  

• 
• Joseph Mascolo
• Col. Alcibiade Zbyre
  

• 
• Gerry Murphy
• One of the U.N. Soldiers, Congolese Men and Women
  

• 
• Les Roberts
• Father Boniface
  

• 
• Mabel Robinson
• Congolese Woman
  

• 
• Donald Symington
• Mr. Ainsworth
  

• 
• Richard Venture
• Baron d'Auge
  

• 
• Ula Walker
• Congolese Singer
  Mme. Pauline Lumumba
  

• 
• Lynda Westcott
• One of the U.N. Soldiers, Congolese Men and Women
  

• 
• Elwoodson Williamson
• One of the U.N. Soldiers, Congolese Men and Women
  

• 
• Stephen Zulick
• One of the U.N. Soldiers, Congolese Men and Women
  

• 
• Humbert Allen Astredo
• Dag Hammarskjold
  

• 
• J. A. Preston
• Patrice Lumumba
  Rajat Asdal
  

• 
• John Clarkson
• James Bonham
  

• 
• Gilbert Green
• Monsignor Polycarpe
  Mr. Calvin
  

• 
• Jack Landron
• Diallo Dop
  Father Boniface
  

• 
• Sharon Laughlin
• Mme. Rose Rose
  

• 
• Conor Cruise O'Brien
• Writer
  

• 
• Gordon Davidson
• Director
  

• 
• Peter Wexler
• Scenic Design
  

• 
• Frank Thompson
• Costume Design
  

• 
• Gilbert V. Hemsley, Jr.
• Lighting Design
  

• 
• Pia Gilbert
• Sound Design
  

• 
• Sterling Johnson
• Film sequences
  

• 
• Group One Productions
• Film sequences
  

• 
• Jack Coddington
• Film sequences
  

• 
• Daniel Freudenberger
• Production Stage Manager
  

• 
• James S. Lucas Jr.
• Stage Manager
  

• 
• David Barber
• Stage Manager
  Stage Manager
  

• 
• Sol Jacobson
• Press Representative
  

• 
• Lewis Harmon
• Press Representative
  

• 
• Ruth D. Smuckler
• Press Representative
  

• 
• Elliot Martin
• Produced arrangement with
  

• 
• George W. George
• Produced by Arrangement with
  

• 
• The Phoenix Theatre
• Producer