A biopic about Hollywood legend Jimmy Stewart, titled 'Jimmy,' is in the works. 'Riverdale' alum KJ Apa will play the late Oscar winner, with Jason Alexander, Max Casella and Jen Lilley also in the cast.

KJ Apa has signed on to star as James Stewart in “Jimmy,” an upcoming biopic about the “It’s a Wonderful Life” legend.

In an era replete with major celebrity biopics, a Jimmy Stewart movie is now in the works, and it has chosen Riverdale's KJ Apa as its main star.