| Matthew MacFadyen | Athos |
| Milla Jovovich | Milady de Winter |
| Luke Evans | Aramis |
| Helen George | Blonde |
| Christian Oliver | Venetian Nobleman |
| Ray Stevenson | Porthos |
| Til Schweiger | Cagliostro |
| Markus Brandl | Sergeant Venetian Guard |
| Orlando Bloom | Duke of Buckingham |
| Logan Lerman | D'Artagnan |
| Dexter Fletcher | D'Artagnan's Father |
| Jane Perry | D'Artagnan's Mother |
| Mads Mikkelsen | Rochefort |
| Andy Gathergood | Drunk |
| Ben Moor | Tailor |
| Director | Paul W.S. Anderson |
| Producer | Paul W.S. Anderson; Jeremy Bolt |
| Writer | Andrew Davies; Alexandre Dumas Père |
| Cinematography | Glen MacPherson |
| Musician | Paul Haslinger |
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