Elenco (na ordem dos créditos)
John Green
Self
Hank Green
Michael Aranda
Valerie Barr
Craig Benzine
Emma Blackery
Laura Cardinal
Self - Save the Children
Jessi Knudsen Castañeda
Stefan Chin
Luke Cutforth
Philip DeFranco
Lindsey Doe
Bree Essrig
Maude Garrett
Duncan Gasiewicz
Matthew Gaydos
Emily Graslie
Alice Green
Selfvoice
Henry Green
Katherine Green
Eileen Grennen
Alex Groth
Self - Tab for a Cause
Hannah Hart
Vi Hart
William Haynes
Grace Helbig
Jimmy Hill
Caitlin Hofmeister
Olga Kay
Matt Lieberman
Kathryn Mahoney
Self - UNHCR
Charlie McDonnell
Rhett McLaughlin
Link Neal
Ingrid Nilsen
Lauren Norby
Henry Reich
Rosianna Halse Rojas
Ettore Rossetti
Katelyn Salem
Destin Sandlin
Sam Schultz
Alli Speed
Nicole Sweeney
Timothy Thomas
Megan Toenyes
Sarah Urist Green
Julie Walsh
Chris Waters
Steve Zaragoza