Also executive producing the new half-hour comedy version are The Night Of alum Scott Rudin, Garrett Basch and Eli Bush.
Previously, Waititi was also said to be developing a What We Do in the Shadows spinoff around police characters Karen and Mike.
It was previously stated that The Shape of Water and Star Trek: Discovery star Doug Jones would appear in an unspecified recurring role, along with Lady Bird breakout Beanie Feldstein, Limitless star Jake McDorman and Better Call Saul alum Mark Proksch.
Starring in regular roles are Matt Berry, Kayvan Novak, Natasia Demetriou, and Harvey Guillen.