Name	Known for
Dalila Bela Agent Olive Agent Olive See fewer	Anne with an E (2017)
Filip Geljo Agent Otto Agent Otto See fewer	Odd Squad (2014)
Millie Davis Ms. O Ms. O See fewer	Good Boys (2019)
Sean Michael Kyer Agent Oscar Agent Oscar See fewer	Odd Squad (2014)
Dale Boyer Security Guard Betty Security Guard Betty See fewer	The Umbrella Academy (2019)
Warren Chow Even Steven Even Steven See fewer	Cosmopolis (2012)
Aaron Feigenbaum Maintenance Worker Maintenance Worker See fewer	Annedroids (2013)
Rachel Holmes Backgound Agent Backgound Agent See fewer	Odd Squad (2014)
Elva Mai Hoover Rita Rita See fewer	Superman II (1980)
Peyton Kennedy Dr. O Dr. O See fewer	Grey's Anatomy (2005)
Joshua Kilimnik Odd Todd Odd Todd See fewer	Odd Squad (2014)
Laura Landauer Shape Shifter Shape Shifter See fewer	Odd Squad (2014)
Richie Lawrence Orzack Orzack See fewer	Astronaut (2019)
Jaeden Noel Obfusco Obfusco See fewer	Orphan Black: Echoes (2023)
Ali Prijono Ophelia (as Alina Prijono) Ophelia (as Alina Prijono) See fewer	The Way Home (2023)
Bryan Stevenson Oakley Oakley See fewer	Odd Squad (2014)