Amy Hill

Irene (voice)

Walt Dohrn

Stray Cat / Insomnia Guy 2 (voice)

Angela Bassett

Sweet Dreams (voice)

Andrea Miloro

Executive Producer

Charlie Kaufman

Writer

Shannon Chan-Kent

Adult Hypatia (voice)

Bonnie Arnold

Executive Producer

Paul Walter Hauser

Dark (voice)

Nat Faxon

Insomnia (voice)

Sky Alexis

Lisa (voice)

Colin Hanks

Adult Orion (voice)

Jacob Tremblay

Orion (voice)

Aparna Nancherla

Quiet (voice)

Natasia Demetriou

Sleep (voice)

Adrianna A.J. Cohen

Executive Producer

Carla Gugino

Orion's Mom (voice)

Ike Barinholtz

Light (voice)

Ren Hanami

Adult Sally (voice)

Werner Herzog

Narrator (voice)

Sean Charmatz

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

Golda Rosheuvel

Unexplained Noises (voice)

Matt Dellapina

Orion's Dad (voice)

Nick Kishiyama

Tycho (voice)

Mia Akemi Brown

Hypatia (voice)

Jack Fisher

Richie Panici (voice)

Hira Ambrosino

Woman at the Drive-In (voice)

Yoshi Ando

Man at the Drive-In (voice)

Larisa Asuaje

Mrs. Spinoza (voice)

Russell Tracy Jr

Executive Producer