Theydy in the Radiator (Scene 29) Marius Hisle

Henry Spencer (Scene 29) Isaac Fenster

Henry (Scene 1) Trey Lane

The Man in the Planet (Scene 2) Jeremy Crump

Henry (Scene 3) Sarah Ruthless

Henry (Scene 4) Ammon Miller

Woman Across the Hall (Scene 4) Cami Welch

Additional Voice (Scene 4) Janely Martinez

Chris Brown (Scene 6) Christopher Brown

Kyle Kitagawa (Scene 6) Kyle Kitagawa

Director (Scene 6) Anthony Leroy

Henry (Scene 7 & 8) Milo Simon

Henry (Scene 11) Mike Wood

Mary (Scene 11) Christina Rice

Henry (Scene 12) Daniel Smith

Mary (Scene 12) Naomi DuVall

Henry (Scene 13) Vince Tula

Mary X (Scene 13) Shelby Conzelman

Baby (Voice) (Scene 13) Gia Taleen Dre Tlaseca

Henry (Scene 15) Austin Mombourquette

Wife (Scene 6) Sarita Malan

Henry (Irritable Bowels) (Scene 16) Adam Riot Thorn

Henry (Scene 19) Dorian Logan

Beautiful Girl Across the Hall (Scene 19) Sylvie Soul

Lady in the Radiator (Scene 20) Anna Bolin

Henry (Scene 10) Matthew MacGyver

Mary X (Scene 10) Matty Leclair

Mrs. X (Scene 10) Alex Ratkovic

Father (Scene 23) Michael Ventola

Baby (Scene 23) Liam Xiao

Henry (Scene 24) Joy Semple

Woman in Hall (Scene 24) Marielle Luis Ruiz