Kristen Bell, Justin Bieber, Lauren Graham and Olivia Munn are to appear on the hidden-camera comedy series Repeat After Me, ABC announced Friday.
Also booked on the Ellen DeGeneres-produced show are Michael Bolton, Jeff Garlin, Chris Harrison, Jimmie Johnson and Bellamy Young, as well as the previously announced Harry Connick Jr., Taye Diggs, Scott Foley, Sarah Hyland, Randy Jackson and Ellen Pompeo.
"The celebrities will be given instructions by [Wendi] McLendon-Covey via a remote ear piece, to interact with everyday people in high-energy, comedic hidden-camera situations," a synopsis said.
Repeat After Me is to premiere Tuesday on ABC.