Demi Lovato

Character: Self

Drew Barrymore

Character: Self

Christina Ricci

Character: Self

Kenan Thompson

Character: Self

Raven-Symoné

Character: Self

Joelle Siwa

Character: Self

Alyson Stoner

Character: Self

Chris Columbus

Character: Self - Director

Madison De La Garza

Character: Self - Demi's Sister

Dallas Lovato

Character: Self - Demi's Sister

Dianna De La Garza

Character: Self - Demi's Mother

Jordan Lutes

Character: Self - Demi's Fiancé

Leah Plunkett

Character: Self - Harvard Law School Faculty

Brooks Barnes

Character: Self - Hollywood Reporter, The New York Times

Chris Smith

Character: Self - Director, Looking Ahead Program

David Kamp

Character: Self - Author, 'Sunny Days'

Mathew Klickstein

Character: Self - Author, 'Slimed!'

Oak Felder

Character: Self - Music Producer

Taylor Lorenz

Character: Self - Author, 'Extremely Online'

Chris McCarty

Character: Self - Activist & Founder, Quit Clicking Kids

Kristine Reeves

Character: Self - Politician, Washington State Representative