Showtime has canceled "I'm Dying Up Here" after two seasons. The Jim Carrey-produced dramedy, which centered on L.A.’s famed ’70s stand-up comedy scene, will not be back for a third season. Melissa Leo and Ari Graynor led the ensemble cast, which also included Clark Duke, Michael Angarano, RJ Cyler, Andrew Santino, Erik Griffin, Al Madrigal and Jake Lacy. The show,... See more »