The Man in the Iron Mask is a 1998 American action drama film written, directed, and produced by Randall Wallace. The film centers on the aging four Musketeers: Athos, Porthos, Aramis, and D’Artagnan, and the mystery of the Man in the Iron Mask during the reign of King Louis XIV of France.
On the poster, the Man in the Iron Mask title is written in Charlemagne font. Carol Twombly created this decorative typeface based on the exquisite versals of tenth-century England, which were derived from the classical roman letterforms used during the reign of Emperor Charlemagne. You can view more details about the typeface here.