Chris O'Dowd and Ben Foster to star in Seven Deadly Sins Armstrong film

Lance Armstrong celebrates his first Tour de France stage win in Verdun in 1993

Lance Armstrong celebrates his first Tour de France stage win in Verdun in 1993 (Image credit: AFP Photo)

Irish Actor Chris O'Dowd will play Sunday Times' journalist David Walsh in a film version of the book about the writer's dogged pursuit of one of sport's most notorious characters, Lance Armstrong, to be played by Ben Foster.