Ronald Reagan

as Yank

Patricia Neal

as Sister Margaret Parker

Richard Todd

as Cpl. Lachlan "Lachie" MacLachlan

Anthony Nicholls

as Lt. Col. Dunn

Howard Marion-Crawford

as Tommy

Ralph Michael

as Kiwi

John Sherman

as Digger

Alfie Bass

as Orderly

Orlando Martins

as Blossom

Robert Douglas

as Narrator (voice) (uncredited)

Clive Dunn

as MacDougall (uncredited)

John Gregson

as Recruit in Jungle (uncredited)

Sam Kydd

as Driver (uncredited)

Pamela van Dale

as Burmese Woman (uncredited)

Ben Williams

as Clerk at Hospital (uncredited)