By Lynette Rice
Updated September 27, 2011 at 05:28 PM EDT
Robin Wong/PR Photos

Time to meet the extended family on NBC’s Up All Night!

EW has learned exclusively that we’re about to meet the father of Reagan (Christina Applegate), a psychologist who’s expected to be distant, quiet, and always analyzing — just what Chris (Will Arnett) needs!

And the man of the hour will be…

Robin Wong/PR Photos

Richard Schiff!

The actor best known for his Emmy-winning run on The West Wing will play a contemplative dad who may come in and out of Reagan and Chris’ hectic life.

Schiff’s other recent TV credits include stints on Criminal Minds: Suspect Behavior, White Collar, and The Cape.

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