Richard Aherne
— Sean Regan
Robert Dawson
— Michael
Tony O'Shea
— Michael as a child
Hamilton Humphries
— Michael's Father
Cecil Brock
— Peter
Tony Prendergast
— Peter as a child
Bernadette Leahy
— Mary
Hazel Collinson
— Mary as a child
Shelah Richards
— Lady Killane
Terry Wilson
— Father O'Brien
Francis Riedy
— Singer
Isobel Couser
— Priest's Housekeeper