Elenco de O Sorriso da Monalisa
| Ator/Atriz | Personagem |
|---|---|
| Julia Roberts | Katherine Ann Watson |
| Kirsten Dunst | Betty Warren |
| Marcia Gay Harden | Nancy Abbey |
| Marian Seldes | President Jocelyn Carr |
| John Slattery | Paul Moore |
| Juliet Stevenson | Amanda Armstrong |
| Dominic West | Bill Dunbar |
| Ginnifer Goodwin | Connie Baker |
| Maggie Gyllenhaal | Giselle Levy |
| Julia Stiles | Joan Brandwyn |
| Topher Grace | Tommy Donegal |