- Rock Hudson
- Henry's Son - Peter
- Dana Wynter
- Peter's Betrothed - Holly
- Sidney Poitier
- Kimani Wa Karanja
- Wendy Hiller
- Henry's Daughter - Elizabeth
- Juano Hernandez
- Njogu - Oath Giver
- William Marshall
- Leader - Intellectual in Suit
- Robert Beatty
- Elizabeth's Husband - Jeff Newton
- Walter Fitzgerald
- A White Settler - Henry McKenzie
- Michael Pate
- A Farmer - Joe Matson
- Ivan Dixon
- Lathela - Loyal Gun-Bearer
- Ken Renard
- Karanja - Father of Kimani
- Samadu Jackson
- Witch Doctor
- Frederick O'Neal
- Adam Marenga - Mau-Mau Leader
- John Akar
- Waithaka
- John Alderson
- Policeman
- Myrtle Anderson
- Mwange Wife
- Robert Anderson
- Mr. Barker - the Client
- Barry Bernard
- Superintendent
- Wesley Bly
- Night Clerk
- Naaman Brown
- Hand Clerk
- Angela Cartwright
- Caroline
- Carl Christian
- Cook
- Winston Churchill
- Self
- Leslie Denison
- Crown Consul
- John Dodsworth
- Doctor
- Barbara Foley
- Wanju - Wife of Kimani
- Wilton Graff
- Captain Hillary
- Kim Hamilton
- Kipi's Wife
- Darby Jones
- Wine Steward
- Ike Jones
- Askari (Policeman)
- Charles Keane
- Ranger
- Bruce Lester
- Physician - McKenzie Massacre
- Jack Lynn
- Doctor
- Anna Mabry
- Midwife
- Lester Matthews
- Game Warden
- Juanita Moore
- Tribal Woman
- Tommie Moore
- Tribal Woman
- Barbara Morrison
- Nurse
- Paulene Myers
- Kikuyu Woman
- Ottola Nesmith
- Nurse - Nairobi Hospital
- Duncan Richardson
- Jeff Newton Jr.
- Morgan Roberts
- Chief Hinga
- Garry Stafford
- Little Henry
- Madame Sul-Te-Wan
- Midwife
- Paul Thompson
- Kipi
