Jacques Tati acted in Jean-Pierre Melille´s 1972 film , Un flic .
Notably , they both worked on Jean-Pierre Melville 's last film , Un flic , ( 1972 ) .Considered as possible substitute for Jean-Louis Barrault in Les Enfants du Paradis , he played the ghost in Sylvie and the Ghost Sylvie et le fantôme ( Claude Autant-Lara appeared as Sylvie ) and also appeared in The Devil in the same body .
Jacques Tati