It was made by De Grunwald Productions and distributed by the British Lion Film Corporation .
The Winslow Boy is a 1948 film adaptation of Terence Rattigan 's play The Winslow Boy .
The Winslow Boy was made by De Grunwald Productions and distributed by the British Lion Film Corporation .
The Winslow Boy is a 1948 film adaptation of Terence Rattigan 's play The Winslow Boy .