Special Guest Stars John Mulaney as Henry David Thoreau Guest Stars Chinaza Uche as Henry Sophie Zucker as Abby Allegra Heart as Abiah Kevin Yee as Toshiaki Gus Birney as Jane Humphreys Samuel Farnsworth as George Gould Robert Picardo as Ithamar Conkey Co Starring Skyler Gallun as Passenger #2 Abra Tabak as Thoreau's Sister Peggy Cosgrave as Mrs. Thoreau Vince Edgehill as Conductor Emma Roos as Passenger #1 Clinton Clark as Passenger #3
