Ronald Reagan

Yank

Patricia Neal

Sister Margaret Parker

Richard Todd

Cpl. Lachlan "Lachie" MacLachlan

Anthony Nicholls

Lt. Col. Dunn

Howard Marion-Crawford

Tommy

Ralph Michael

Kiwi

John Sherman

Digger

Alfie Bass

Orderly

Orlando Martins

Blossom

Robert Douglas

Narrator (voice) (uncredited)

Clive Dunn

MacDougall (uncredited)

John Gregson

Recruit in Jungle (uncredited)

Sam Kydd

Driver (uncredited)

Pamela van Dale

Burmese Woman (uncredited)

Ben Williams

Clerk at Hospital (uncredited)