Hailee Steinfeld as Emily Dickinson
Adrian Blake Enscoe as Austin Dickinson
Ella Hunt as Susan 'Sue' Gilbert
Anna Baryshnikov as Lavinia 'Vinnie' Dickinson
Toby Huss as Edward Dickinson
Jane Krakowski as Emily Norcross Dickinson
Amanda Warren as Betty
Chinaza Uche as Henry
Samuel Farnsworth as George Gould
Darlene Hunt as Maggie
Gus Birney as Jane Humphrey
Kevin Yee as Toshiaki
Sophie Zucker as Abby Wood
Allegra Heart as Abiah Root
Pico Alexander as Henry Shipley
Finn Jones as Samuel Bowles
Alena Smith as Creator