Charlie Dupont as Roland Delavallée
In Pourquoi pas Martin?, the French adaptation of Why Didn't They Ask Evans?, Roland Delavallée is the parallel of Roger Bassington-ffrench. He is the younger brother of André Delavallée. As the youngest brother, Roland was disliked by his father who left him nothing in his will. Roland ocasionally came to André's house to see his nephew Frédéric.
It is later revealed that Roland was responsible for the death of Alain Langevin. He also tried to kill Frédéric. Roland was the accomplice of Alma Sarrazin, the Moira Nicholson parallel. He also attempted to kill Alice Avril and make her death look like an accident.
The character of Roland Delavallée was portrayed by Charlie Dupont.