Keep track of your favorite shows and movies, across all your devices.
This may be just the boost The West Wing needs: Christian Slater is joining NBC's White House drama for a multi-episode arc playing a submarine commander, Access Hollywood reports.
(Disclosure: TV Guide is owned by CBS Interactive, a division of ViacomCBS.)
See more streaming content on Hulu
Comparing Netflix, Disney+, Amazon, Hulu
Sign up and add shows to get the latest updates about your favorite shows - Start Now
Download the TV Guide app for iPhone, iPad and Android!