Cast and credits of SciShow

Hank Green

Caitlin Hofmeister

Hank Green
Self - Host / ... 118 episodes, 2012-2023

Michael Aranda
Self - Host / ... 84 episodes, 2013-2022

Stefan Chin
Self - Host / ... 38 episodes, 2014-2023

Olivia Gordon
Self - Host / ... 8 episodes, 2016-2021

Rose Bear Don't Walk
Self - Host 6 episodes, 2021-2023

Jessi Knudsen Castañeda
Self - Animal Wonders 3 episodes, 2013-2015

Blake de Pastino
Self - Host 3 episodes, 2016-2019

Caitlin Hofmeister
Self - Announcer / ... 3 episodes, 2016-2018

Emily Graslie
Self - Contestant / ... 2 episodes, 2016-2021

John Green
Self - Contestant / ... 2 episodes, 2012-2014

Reid Reimers
Self - Contestant 2 episodes, 2017-2021

Anthony Brown
2 episodes, 2020-2021

Craig Benzine
Self - Host 1 episode, 2012

Phil Plait
Self - Contestant 1 episode, 2015

Rob Roser
Self - Fermilab Physicist 1 episode, 2012

Nicholas Graham
Self - School of Computing, Queen's University 1 episode, 2012

Lindsey Doe
Self - Contestant 1 episode, 2015

Doug Emlen
Self - Author: Animal Weapons 1 episode, 2015

Paulette Jones
Self - Meadowlarkscience.com 1 episode, 2015

Andrij Holian
Self - The University of Montana 1 episode, 2015

Leonardo DiCaprio
Jack Dawson / ... 1 episode, 2016

Katelyn Salem
Self - Contestant 1 episode, 2016

James Cook
1 episode, 2016

Heiner Geißler
1 episode, 2016

Nicole Sweeney
Self - Contestant 1 episode, 2017

Rachel Navarro
Self - Contestant 1 episode, 2017

Mike Falzone
Self - Contestant 1 episode, 2018

Nicholas Jenkins
Self - Contestant 1 episode, 2018

Katherine Green
Host - Contestant 1 episode, 2018

Megan Toenyes
Self - Contestant 1 episode, 2018

Trace Dominguez
Self - Contestant 1 episode, 2019

Ceri Riley
Self - Instructor 1 episode, 2019

Sam Schultz
Self - Announcer 1 episode, 2019

Alexa Billow
Self - Contestant 1 episode, 2019

Niba Audrey Nirmal
Self - Host 1 episode, 2021

Savannah Geary
Self - Host 1 episode, 2023