Even if you haven't seen The Sopranos, you may have still been shocked by James Gandolfini's sudden, tragic death today at age 51. While the actor is most famous for playing Tony Soprano, he left a large, beloved body of work behind alongside it. With their reactions to his passing, stars are sharing their favorite non-The Sopranos roles with fans. Take a look, and let these celebs help plan your memorial marathon.

The Last Castle

Keegan-Michael Key of Key and Peele recommends The Last Castle, a 2001 action film that starred James alongside Robert Redford and Mark Ruffalo. James plays the warden of a maximum-security military prison, where a court-martialed general rallies together 1200 inmates to fight against their imprisonment.

In the Loop

Rob Delaney recommends the 2009 political satire In the Loop, which sees James Gandolfini as an anti-war general.

God of Carnage

It would be hard for you to go out and find God of Carnage, since it was a stage production, but as Anderson Cooper points out, it's worth remembering.

Jeff Daniels, who co-starred in the production, tweeted, "RIP James Gandolfini. A great friend."

Zero Dark Thirty

We certainly don't want to call Zero Dark Thirty underrated, but James Gandolfini's role in it certainly was! MSNBC anchor Andrea Mitchell points out that Leon Panetta was proud to have James playing his on-screen counterpart.