What Do You Know? - Cast

Name	Episodes	Known for
Joel Heyman Self - Host Self - Host See fewer	3	Red vs. Blue (2003)
Mac Blake Self - Audience Comedian Self - Audience Comedian See fewer	3	Candyman (2015)
Todd Womack Self - Correspondent Self - Correspondent See fewer	2	The Key of Awesome (2009)
Derrick Acosta Self - Panelist Self - Panelist See fewer	1	Mega64 (2004)
Brian Gaar Self - Panelist Self - Panelist See fewer	1	Hardcore Tabletop Presents: The Red Dragon Inn (2022)
Christopher Cubas Self - Panelist (as Chris Cubas) Self - Panelist (as Chris Cubas) See fewer	1	Days of Delusion (2011)
Esther Povitsky Self - Panelist Self - Panelist See fewer	1	Drugstore June (2024)
April O'Neil Self - Panelist Self - Panelist See fewer	1	Buffy the Vampire Slayer XXX: A Parody (2012)
Mica Burton Self - Correspondent Self - Correspondent See fewer	1	Lazer Team (2015)
Miles Luna Self - Panelist Self - Panelist See fewer	1	Red vs. Blue (2003)
Barbara Dunkelman Self - Correspondent Self - Correspondent See fewer	1	Day 5 (2016)
Samantha Ireland Self - Correspondent Self - Correspondent See fewer	1	Twisters (2024)
Chris Fairbanks Self - Panelist Self - Panelist See fewer	1	Punching the Clown (2009)
Blaine Gibson Self - Correspondent Self - Correspondent See fewer	1	Dishes (2026)
Gray G. Haddock Self - Panelist (as Gray Haddock) Self - Panelist (as Gray Haddock) See fewer	1	RWBY: Volume 1 (2013)
Lane Moore Self - Panelist Self - Panelist See fewer	1	Gold Stars (2014)
Tyler Coe Self - Correspondent Self - Correspondent See fewer	1	How Are We Today? (2025)
Aaron Marquis Self - Correspondent Self - Correspondent See fewer	1	The Wingmen (2008)