Say It Isn't So (2001)

Genres: Comedy, Romance

Country: United States of America

Director: J.B. Rogers

Plot: Boy meets girl; boy falls in love (and had wild, non-stop sex) with girl; boy loses girl... when they discover they are brother and sister! But when he learns that he's the victim of the ultimate case of mistaken identity, the lovesick young man -- whom everyone still thinks is after some taboo thrills -- must race across the country to stop her from marrying another man.

Cast: Chris Klein, Heather Graham, Orlando Jones, Sally Field, Richard Jenkins, John Rothman, Jack Plotnick, Eddie Cibrian, Mark Pellegrino, Brent Hinkley

Rating: 4.727 ⭐