Mark

Adam Scott

Harmony Cobel

Patricia Arquette

Helly

Britt Lower

Seth Milchick

Tramell Tillman

Irving Bailiff

John Turturro

Dylan George

Zach Cherry

Peter 'Petey' Kilmer / Petey (voice)

Yul Vazquez

Devon

Jen Tullock

Ms. Casey

Dichen Lachman

Burt

Christopher Walken

Ricken Hale

Michael Chernus

Eustice Huang

Sarah Bock

Natalie Kalen

Sydney Cole Alexander

Doug Graner

Michael Cumpsty

Felicia

Claudia Robinson

Asal Regabhi

Karen Aldridge

Jame Eagan

Michael Siberry

Judd

Mark Kenneth Smaltz

Mr. Drummond

Ólafur Darri Ólafsson

Elizabeth

Rachel Addington

Alexa

Nikki M. James

Patton

Donald Webber Jr.

Rebeck

Grace Rex

Jim George / Dylan's Son

Blaze James Gorman

Gretchen George

Merritt Wever

Dr. Mauer

Robby Benson

Florence

Anthoula Katsimatides

Danise

Annie McNamara

Gabriela 'Gabby' Arteta

Nora Dale

Merrick George

Irish Knight Gorman

Kier Eagan (voice)

Marc Geller