Warner Bros. has set RZA to star alongside Robert Downey Jr. and Zach Galifianakis in “Due Date,” the Todd Phillips-directed comedy.

RZA joins a cast that also includes Michelle Monaghan and Jamie Foxx in the story of a man with a mismatched travel companion who races home in hopes of arriving before his wife delivers their first child.

Phillips is producing through his Green Hat banner with Daniel Goldberg. Scott Budnick is exec producer. WB is partnered with Legendary Pictures on the film, and Susan Downey is exec producing.

RZA’s also attached to Paul Haggis’ “The Next Three Days” for Lionsgate and is scoring producer Robbie Brenner’s film “Warriors Way” for Relativity Media. Feature credits include “Funny People” and “American Gangster”; he’s also the creator-producer of the Wu-Tang Clan and has scored music for films by Ridley Scott, Jim Jarmusch and Quentin Tarantino.