Neil Patrick Harris, Lily Rabe To Guest Star On ‘American Horror Story: Freak Show’

Elsa Mars' act is bringing in some very interesting people.Neil Patrick Harrisand husbandDavid Burtka(HIMYMfans may know him as Scooter) have just signed on for guest roles onAmerican Horror Story: Freak Show, whileLily Rabeis set to reprise the role of Sister Mary Eunice McKee fromAmerican Horror Story: Asylum.

Hit the jump for details on the Neil Patrick HarrisAmerican Horror Storyappearance and more.

All three guest stars will appear near the end of the season. As reported byEWandTV Line, Rabe will show up in Episode 10, the winter cliffhanger. Her visit will help explain howNaomi Grossman’s Pepper (anotherAsylumcrossover) gets from the freak show to Briarcliff Manor. Harris will be in Episodes 11 and 12 as a chameleon salesman. And Burtka will bring the season to a close in Episode 13, sharing a “sexy” storyline with Jessica Lange.

Rabe has been involved with every iteration ofAmerican Horror Storyto date. She played Misty Day inCovenand Nora Montgomery inMurder House. Both Harris and Burtka are new to the show. But Harris has shown interest before, and showrunnerRyan Murphyhas reciprocated. “He’s game; he had very specific ideas about what he wanted to do and I have specific ideas,” he said of Harris earlier this month.

American Horror Story: Freak Showaired its fourth episode this week. Now in its fourth season,American Horror Storyis more popular than ever. TheFreak Showpremiere was the most-watched telecast in FX history, with 10 million total viewers. And FX is showing its appreciation. Not only did it renewAmerican Horror Storyfor a fifth season just days after the fourth season premiere, it also gave Murphy anentirely new anthology seriescalledAmerican Crime Story.American Horror Story: Freak Showairs Wednesdays at 10 on FX.