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.
Sawed-Off Shotgun
When confronting circus owner Marcello, "The Octopus'" henchman "The Peeler" (Rufus) carries a sawed-off double-barreled shotgun.