Liam James as Solomon

Sarah Steele as Diwata

Austin P. McKenzie as Howie

Janeane Garofalo as Marie

Kal Penn as James

Roger Bart as Principal Bellingham

Wendi McLendon-Covey as Joan

Kimberly Williams-Paisley as Susan

Skylar Astin as Walter Healy

Sarah Baker as Miss Riggi

Darren Criss as Darren Criss

Kristin Chenoweth as Kristin Chenoweth

Cristina Franco as Oksana

Ryan Lee as Mark

Edgar Arreola as Arnett

Karen Beyer as Persuasive Speaking Judge

Orlette Cutrer as Teacher

Lucy DeVito as Lucy

Sara Thomas Easley as Nervous Freshman Girl

Sam Furman as Student

Angel Giuffria as Girl in Motorized Wheelchair

Gideon Glick as Gideon

Jessy Hughes as Goth Girl

Bradley K. Jones as Student

Jerry Leggio as Ted

Karen Kaia Livers as Nurse

Anna Margaret as Casey

David Militello as Plump Boy

Lin-Manuel Miranda as The Genie

Tara Shay Montgomery as Young Drag Queen

Robert Peters as Coach Pemberton

Nicholas James Reilly as Holy Ghost Junior

Bryce Romero as Short Kid

Jeremy Rowley as Gary Crenshaw

Ben Sanders as Student

Logan Shroyer as Hot Debater

Amitoz Singh as DI Boy

Lester Speight as Scary Bouncer

George Thagard as Mayor

Sloane Warren as Fiona Crenshaw

Rachel Wulff as Reporter