Undercover ... 1943 British film trailer
Undercover ... 1943 British film trailer
Undercover is a 1943 British war film produced by Ealing Studios, originally titled Chetnik.
It was filmed in Wales and released on 27 July 1943.
Its subject is a guerrilla movement in German-occupied Yugoslavia, loosely based on Draza Mihailovich's Chetnik resistance movement.