Mary Lynn Rajskub and Patrick Fischler to Guest-Star on Grey's Anatomy

By Lindsay Silberman | TV Guide – Thu, May 3, 2012 8:08 AM PDT

24 alum Mary Lynn Rajskub and Lost's Patrick Fischler will guest-star on the penultimate episode of Grey's Anatomy's eighth season, TVLine reports.

Rajskub and Fischler will play a couple who checks in to Seattle Grace after they begin experiencing strange symptoms while on a honeymoon. The episode will air May 10.

Grey's Anatomy's Jesse Williams: One resident failing the boards will Be a "reality check"

Rajskub, who recently appeared on CBS' now-defunct How to Be a Gentleman , is best known for her role as Chloe on 24.

Aside from his role on Lost, Fischler has appeared on Mad Men, Curb Your Enthusiasm, Californication and Body of Proof.

@YahooTV on Twitter, become a fan on Facebook

TV's Fastest and Furiousest
Check out Yahoo! TV's awards for the best cars on the small screen.
Amanda Bynes: "I Don't Drink or Do Drugs," I Need a Second Nose Job
The recently arrested actress also wants to get in touch with "Nicki Minaj's wig person"
Amanda Bynes Claims Sexual Harassment By Cops
After being released on her own recognizance following a late-night arrest in New York City, Amanda Bynes took to Twitter to speak directly to the world.
Liberace's Plastic Surgery Left Him Unable to Close His Eyes — Even While He Was Sleeping
The music star also paid the doctor who did his surgery to perform procedures on his live-in lover, Scott Thorson, so Thorson would look more like Liberace!
Ann Curry Failed to Get Angelina Jolie TV Interview for NBC: Report
According to earlier reports, Jolie said she wouldn't talk to any NBC reporters following Curry's messy Today Show exit
Buzzmakers: Kellie Wins 'DWTS' & Janet Makes $1B
What had ET readers buzzing this week?

Yahoo! TV