Orion (voice)

Dark (voice)

Sweet Dreams (voice)

Adult Orion (voice)

Sleep (voice)

Unexplained Noises (voice)

Insomnia (voice)

Quiet (voice)

Light (voice)

Orion's Mom (voice)

Orion's Dad (voice)

Tycho (voice)

Hypatia (voice)

Adult Hypatia (voice)

Richie Panici (voice)

Narrator (voice)

Lisa (voice)

Woman at the Drive-In (voice)

Man at the Drive-In (voice)

Mrs. Spinoza (voice)

Irene's Boss / Cucumber Dentist / Soda / Insomnia Guy 1 (voice)

Stray Cat / Insomnia Guy 2 (voice)

Adult Sally (voice)

Irene (voice)

Irene's Daughter / Insomnia Girl (voice)

Scared Child (voice)

Sally (voice)

Irene's Coworker / Mom / Juice Box / Insomnia Teacher (voice)

Insomnia Man (voice)