Brad Neely

Frank Smith / Steve Smith / Baby Cakes (voice)

Greta Gerwig

Pony Merks (voice)

Terry Gene Bollea

The Dean (voice)

Jason Walden

Sammy Davis (voice)

Jeffrey Tambor

Professor Cakes (voice)

Gary Anthony Williams

Golden Bowl / Dr. Jack Falgot (voice)

Chelsea Peretti

Crystal Peppers / Kim Buckett (voice)

Hannibal Buress

Matt Attack / DJ Don Jose (voice)

Kate McKinnon

Sunshine (voice)

Andy Richter

Agent Green (voice)

Donald Glover

Transfer Billy (voice)

Jason Alexander

Harold (voice)

James Hong

Wise Old Monk (voice)

Evan Peters

Clint (voice)

Rosa Salazar

Barb (voice)

Cat Power

Keiko (voice)

Ryan Flynn

Flip-Flop / Pemsy (voice)

Dave Coulier

Various (voice)

Brooke Hogan

Various (voice)