Duncan Jones directed Source Code. Source Code is starring Scott Bakula
[Human]: Could you recommend some films directed by Duncan Jones? [Assistant]: Sure.  He directed Moon, Warcraft, and Source Code. [Human]: What type of film is Source Code? [Assistant]: It is listed as a drama. [Human]: Do you know who stars in it? 
Sure.  Source code stars Jake Gyllenhaal, Scott Bakula, Russell Peters and Cas Anvar.