James McAvoy says that directing California Schemin' was "a nightmare (he) wouldn't wish on (his) worst enemy".
The 46-year-old actor has stepped behind the camera for the first time for the new movie - which tells the true story of Scottish rap duo Silibil N' Brains who pretended they were American to get their big break in the music industry - and confessed that he was shocked with the workload that came with juggling filmmaking with an acting role in the flick.