Grandpa

Gregory Patrick Agnew

Acting

Physicist (Age 15)

Roman Spenneberg

Acting

Physicist (Age 8)

Jax Inman

Acting

Physicist

Brodie McCauley

Camera

Ship Captain

Olivia Jones

Acting

Ship Engineer

Jezreel Forand

Acting

Ship Pilot

Nicholas Poppe

Acting

Guardian Angel (voice)

Sofia Spenneberg

Acting

Distorted voice (voice)

Ian Papworth

Acting

Spirit (voice)

Adam S. Depew

Directing

Self (archive footage)

Martin Luther King Jr.

Acting

Self (archive footage)

Carl Sagan

Acting

Self (archive footage)

Johnny Cash

Acting

Self (archive footage)

June Carter Cash

Acting