Jean Simmons as Caroline Ruthyn

Katina Paxinou as Madame de la Rougierre

Derrick De Marney as Uncle Silas

Derek Bond as Lord Richard Ilbury

Sophie Stewart as Lady Monica Waring

Esmond Knight as Dr. Bryerly

Marjorie Rhodes as Mrs. Rusk

Guy Rolfe as Sepulchre Hawkes

Reginald Tate as Austin Ruthyn

Manning Whiley as Dudley Ruthyn

John Laurie as Giles

Frederick Burtwell as Branston

George Curzon as Sleigh

Patricia Glyn as Mary Quince

O.B. Clarence as Vicar

Frederick Ranalow as Rigg

Robin Netscher as Tom Hawkes

John Salew as Grimstone

Patricia Dainton as Guest at Ball (uncredited)

Charles Paton as Guest at Ball (uncredited)

Gordon Phillott as Guest at Ball (uncredited)