Guns used in the film The City of Lost Children (original French title: La cité des enfants perdus), a French science fiction film concerning the adventures of a circus strongman whose adopted little brother is kidnapped by an evil scientist, who intends to steal children's dreams as he cannot dream himself.
This kind of looks like a Tokarev TT-33 but it may just be the angle
Webley Mk VI
In the film's climax, Miss Bismuth (Mireille Mossé), the mad scientist villain Krank's dwarf assistant, uses a Webley Mk VI pistol, seemingly gigantic to her, in an attempt to kill the little girl Miette.
When confronting circus owner Marcello, "The Octopus'" henchman "The Peeler" (Rufus) carries a sawed-off double-barreled shotgun.
Error creating thumbnail: File missingThe Peeler holds the shotgun to Marcello's head as the twins interrogate him.Error creating thumbnail: File missingThe Peeler is instructed to execute Marcello as the twins exit the room.Error creating thumbnail: File missingAs soon as the twins are gone, the Peeler, instead of killing Marcello, spares him and complains about his bosses ordering him around and merely fires the gun into the air to fake Marcello's death.