EXCLUSIVE: Emmy winner Blythe Danner has been cast in a potentially recurring role on NBC’s new comedy series Up All Night, which had a promising preview Wednesday, logging a 3.7/10 in adults 18-49 to rank as the top program of the night. On the comedy, starring Christina Applegate and Will Arnett as harried new parents and Maya Rudolph as Applegate’s boss, Danner will play Applegate’s mom. This marks Danner’s return to NBC. She previously recurred on the network’s comedy Will & Grace, playing the mother of Will (Eric McCormack).