How I Met Your Mother First Look: Welcome, John Lithgow!
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From one legendary guest-starring stint to another...
Coming off his Emmy-nominated turn as The Trinity Killer on Dexter, John Lithgow will debut as Barney's father on How I Met Your Mother this spring, making his first of two appearances on March 21.
Teases co-created Carter Bays to TV Line, which first published this photo: Barney will struggle to “reconcile who he hoped his dad would be and who his dad actually is.” We're guessing he'll also make us laugh a lot while doing so...