Kenan Thompson leads the pack with 22 seasons, but find out which former cast members have served 10 or more seasons on the sketch show ...

The comedy on Seinfeld tended to feel pretty spontaneous, but how much improvisation (if any) did the show actually include? Here's the truth.

If you’re wondering where you may know some of these memorable faces from, look no further. Scroll down to check out DECIDER’s definitive Zero Day cast guide. The Academy Award-winning actor grounds ...