Happy Endings Exclusive: Party Down's Ken Marino Set to Play [Spoiler]'s Shrink

The doctor is in on Happy Endings, and he’s a riot!

Uproarious Party Down grad Ken Marino is joining the criminally underrated ABC comedy as therapist to Zachary Knighton’s Dave, TVLine has learned exclusively.

The potentially recurring character debuts in early 2012 and, even though he’s Dave’s shrink, we’re told Marino’s doc will interact with the entire group — particularly Casey Wilson’s Penny.

Marino’s a busy guy these days. In addition to his regular gig on Adult Swim’s Childrens Hospital, the actor known to Veronica Mars fans as Vinnie Van Lowe is also set to guest star as Chris D’Elia’s older brother on NBC’s Whitney.