Bud Spencer

as Jack Clementi

Denis Karvil

as Simon Lecoq

Raymond Pellegrin

as Commissioner Tony Caruso

Armand Meffre

as Don Gino Carmelo

Geoffrey Copleston

as Henry Winterbottom

Pino Ammendola

as 'Chewing Gum'

Mylène Demongeot

as Fernande