Molly Shannon is to co-star in the Showtime pilot "Big Deal." File Photo by Jim Ruymen/UPI
Vanessa Bayer arrives for the 69th annual Primetime Emmy Awards in Los Angeles in 2017. File Photo by Christine Chew/UPI
Feb. 29 (UPI) -- Molly Shannon has signed up for a role in Showtime's half-hour comedy pilot Big Deal.
The show will star and is being executive produced by Shannon's fellow Saturday Night Live alum Vanessa Bayer.
Jessi Klein -- whose credits include Inside Amy Schumer and Big Mouth -- will serve as show-runner.
Wet Hot American Summer producer-writer-star and The Big Sick director Michael Showalter will helm the pilot for Big Deal, which is inspired by Bayer's a own past overcoming childhood leukemia.
Bayer and Shannon will play hosts at a successful home shopping channel.