- Writer:
- Kate O'Brien
- Settings:
- Stephen Taylor
- Producer:
- Rudolph Cartier
- Philip II, King of Spain:
- Reginald Tate
- Ana de Mendoza Princess of Eboli:
- Edana Romney
- Rodrigo, her son:
- Julian Sherrier
- Anichu, her daughter:
- Jeannette Sterke
- Antonio Perez, Secretary of State:
- Joseph O'Conor
- The Cardinal Archbishop of Toledo:
- Robert Harris
- Juan de Escovedo:
- Douglas Wilmer
- Bernardina, duenna:
- Jane Henderson
- Don Mateo Vasquez, Counsellor to the King:
- Peter Augustine
- Manuel Ortega, Captain of the King's Guards:
- Walter Gotell
- Pablo, footman:
- Howell Davies
- King's footman:
- Stanley Platts
- A doctor:
- Clement Lister
- Anichu,a child:
- Gillian Barber
- Rodrigo,a child:
- Barrie Martin
- Beggar:
- Fletcher Lightfoot
- Street singer:
- Maria Mercedes
- Soldiers, Servants, Workmen:
- Charles Price
- Soldiers, Servants, Workmen:
- Brian Moorehead
- Soldiers, Servants, Workmen:
- Manny Michael
- Soldiers, Servants, Workmen:
- George Swayles
- Soldiers, Servants, Workmen:
- Bart Allison
- Soldiers, Servants, Workmen:
- Denis Raymond
- Soldiers, Servants, Workmen:
- Peter Roy Taylor
- Soldiers, Servants, Workmen:
- Michael Mulcaster
- Soldiers, Servants, Workmen:
- Reginald Jessup
- Soldiers, Servants, Workmen:
- Edward Higgins
- Soldiers, Servants, Workmen:
- Ivan Hiller
- Soldiers, Servants, Workmen:
- Toby Lenon
- Soldiers, Servants, Workmen:
- Antony Beaumont
- Soldiers, Servants, Workmen:
- Olivia Irving