| Bill Marsilii | |
| Birth Place: | Wilmington, Delaware, U.S. |
| Occupation: | Screenwriter |
Bill Marsilii (born 1962) is an American screenwriter.
Marsilii was born in Wilmington, Delaware. After graduating with a degree in drama from New York University's Tisch School of the Arts, where he attended Circle in the Square Theatre School, he founded a theater company called Bad Neighbor and performed solo comedy in Manhattan.[1]
His spec script for Déjà Vu, written with Terry Rossio, sold for $3 million against $5 million, setting a record at the time for the highest price ever paid for a screenplay.[2] Since then, he has been credited as a screenwriter on such projects as the upcoming adaptation of The Wind in the Willows and .