This The Three Musketeers foto contains
fedora, cappello di feltro, homburg, stetson, stetson trilby, porkpie, cappello porkpie, porkpie hat, paglietta, livorno, panama, cappello panama, marinaio, skimmer, il cappello di paglia, and cappello di paglia.
There might also be
cappello di vestito, alto, cappello opera, cappello di seta, stovepipe, cappello a cilindro, topper, castoro, vestito, cappello, cappello alto, opera cappello, aggrovigliati, top hat, cappello campagna, cappellone, scatto bordo del cappello, and cappello di snap.
"They may seem a bit 'Camp' now, but once they were something special to the movie going audience." - clips from various old Swashbuckler flicks, including Musketeer Film