March 19 (UPI) -- "O'Dowd will star in the episode titled 'The Blue Scorpion,' written by Glen Morgan, which will also feature Amy Landecker," a press release said.
O'Dowd's credits include Molly's Game, Juliet, Naked, The Cloverfield Paradox, Calvary, Thor: The Dark World, This Is 40, The IT Crowd, Girls, Family Tree and Moone Boy.
Landecker is best known for her work in Trollhunters, House of Lies, Louie, Dan in Real Life, A Serious Man and Enough Said.
Previously announced cast members for the series include host and narrator Jordan Peele, as well as Ike Barinholtz, Zazie Beetz, John Cho, Taissa Farmiga, Betty Gabriel, Ginnifer Goodwin, Greg Kinnear, Luke Kirby, Sanaa Lathan, Kumail Nanjiani, Seth Rogen, Adam Scott, Rhea Seehorn, Alison Tolman, Jacob Tremblay, Jessica Williams, DeWanda Wise and Steven Yeun.
The first two episodes of the revamped sci-fi anthology series are to debut on the streaming service on April 1.