Deborah Kerr as Catherine de Montfaucon

David Niven as Philippe de Montfaucon

Sharon Tate as Odile

David Hemmings as Christian

Donald Pleasence as Pere Dominic

Edward Mulhare as Jean-Claude Ibert

Flora Robson as Countess Estelle

John Le Mesurier as Dr. Monnet

Emlyn Williams as Alain de Montfaucon

Donald Bisset as Rennard

Pauline Letts as Marianne

Robert Duncan as Jacques de Montfaucon

Suky Appleby as Antoinette de Montfaucon

Michael Miller as Grandec

Chris Adcock as Villager (uncredited)

Hyma Beckley as Villager (uncredited)

Jim Brady as Villager (uncredited)

Olwen Brookes as Party Guest (uncredited)

Robin Burns as Villager (uncredited)

Tony Castleton as Villager in Church (uncredited)

Ernest Clark as French Police Inspector (uncredited)

John Dunbar as Guest at Harp Recital (uncredited)

Norman Fisher as Villager (uncredited)

Frank Forsyth as Guest at Harp Recital (uncredited)

Arthur Goodman as Villager (uncredited)

Victor Harrington as Villager (uncredited)

Lew Hooper as Villager (uncredited)

Dickey Luck as Villager (uncredited)

Colin McKenzie as Gendarme (uncredited)

George Oliver as Villager (uncredited)

Dido Plumb as Villager (uncredited)

Bob Raymond as Villager (uncredited)

Ernie Rice as Villager (uncredited)

Nicole Shelby as Party Guest (uncredited)

George Spence as Villager (uncredited)

Marianne Stone as Père Dominic's Servant (uncredited)

Pearl Walters as Villager (uncredited)

Fred Wood as Church Parishioner (far right) (uncredited)