Walter Pidgeon
Mr. Gruffydd

Maureen O'Hara
Angharad Morgan

Anna Lee
Bronwyn

Donald Crisp
Gwilym Morgan

Roddy McDowall
Huw Morgan

John Loder
Ianto Morgan

Sara Allgood
Beth Morgan

Barry Fitzgerald
Cyfartha

Patric Knowles
Ivor Morgan

Morton Lowry
Mr. Jonas

Arthur Shields
Mr. Parry

Ann E. Todd
Ceinwen

Frederick Worlock
Dr. Richards

Richard Fraser
Davy Morgan

James Monks
Owen Morgan

Rhys Williams
Dai Bando

Ethel Griffies
Mrs. Nicholas

Marten Lamont
Iestyn Evans

Irving Pichel
Adult Huw (Voice)

Jack Curtis
Villager (uncredited)

Herbert Evans
Postman (uncredited)

Mary Field
Eve (uncredited)

Jack Pennick
Mine Superintendent (uncredited)

Robert B. Williams
Minor Role (uncredited)