How John le Carre's parents shaped his writing

This year has been writer John le Carre’s most successful on record, selling a book every two minutes and reaching millions of new fans with BBC series The Night Manager.

Now he has written at length about his life for the first time in memoir The Pigeon Tunnel.

Director of The Night Manager Susanne Bier and author Tony Parsons discuss how le Carre's complex relationship with his parents served as a catalyst for his writing.