John Le Carre's thrilling spy story first appeared in print in 1974 and became a landmark BBC TV series in 1979 with Alec Guiness enthralling viewers as the mercurial George Smiley. The feature film opens this month with an all star cast headed by Gary Oldman as George Smiley and also featuring Colin Firth, John Hurt, Tom Hardy and Benedict Cumberbatch. Alberto Iglesias ranks as one of Spain's most creative film composers working with flamboyant director Pedro Almodovar.