When Magnus Pym disappears after his father's funeral MI6 launches an urgent manhunt to prevent his defection.

But Pym is on a search of his own to solve the central mystery of his life - what made him the perfect spy.

John le Carré's spy novel dramatised by Robert Forrest.

Magnus Pym .... Julian Rhind-Tutt
Jack Brotherhood .... Bill Paterson
Axel .... Anton Lesser
Peggy Wentworth .... Aoife McMahon
Syd Lemon .... Ewan Bailey
Clerk .... Ewan Bailey
Kate .... Tracy Wiles
Tom .... Adam Thomas Wright
Sabina .... Sanchia McCormack
Nigel .... Gerard McDermott
Other parts are played by the cast.

Director: Bruce Young

Made by BBC Scotland for BBC Radio 4 and first broadcast in July 2017. Show less