In Jeux de glaces, the TV film adaptation of Agatha Christie's They do it with Mirrors by France Télévisions, Damien is an inmate of "La Main Tendue", the rehabilitation centre run by Etienne Bousquet and his wife. Early in the episode, another inmate Marcel is found dead, with a slit across his throat. At first everyone thinks that Dédé is the one who killed him. However commissaire Swan Laurence arrives on the scene. He notes that Marcel had been killen by someone left-handed whereas Dédé is right-handed. Laurence asks who is left-handed and everyone turns to look at another inmate Damien who is shown sucking his left thumb. Later Laurence tells his superior Tricard that his report would not take long since he had already arrested the correct culprit. This suggests that Damien had been arrested.
The character of Damien is played by Jacques Schuler. There is no parallel character to him in the original novel.