Artist: Janos Istvanfy. Year: 1973. Size: cca. 59 x 84 cm. Condition: light wear and fold marks, small tears, paper loss at the bottom left corner. Original vintage Hungarian first release film poster. I Was Monty's Double is a 1963 Hungarian first release movie poster designed by Janos Istvanfy. I Was Monty's Double is a 1958 film made by Associated British Picture Corporation (ABPC). It was directed by John Guillermin. The screenplay was adapted by Bryan Forbes from the autobiography of M. E. Clifton James, an actor who pretended to be General Montgomery as a decoy during the Second World War (see Operation Copperhead)—and who plays both himself and Montgomery in the film.