Peter Finch

as Alec Windom

Mary Ure

as Lee Windom

Natasha Parry

as Anna Vidal

Robert Flemyng

as Col. George Hasbrook

Michael Hordern

as Patterson

Grégoire Aslan

as Mayor Lollivar (as Gregoire Aslan)

John Cairney

as Jan Vidal

Marne Maitland

as Commissioner Belhedron