Topher Grace, Emma Roberts and Hector Elizondo have signed on for the Garry Marshall-directed romantic comedy Valentine's Day for New Line.

According to The Hollywood Reporter, the trio joins Julia Roberts, Anne Hathaway, Jessica Alba, Jessica Biel, Jennifer Garner, Shirley MacLaine, Bradley Cooper and Ashton Kutcher in the movie, which has five slightly interconnecting stories playing out on Valentine's Day in Los Angeles.

Grace plays a mailroom worker in the town's biggest agency who's dating Hathaway. Roberts -- working for the first time on the same movie as her aunt Julia -- plays a teen who wants to lose her virginity to her boyfriend. Elizondo plays MacLaine's husband.

Sam Brown and Michael Disco are overseeing for the studio. Katherine Fugate wrote the initial draft, and Abby Kohn and Marc Silverstein penned the latest.

No production date has been set.