Name	Known for
Stephen Amell Oliver Queen / Green Arrow Oliver Queen / Green Arrow See fewer	Arrow (2012)
David Ramsey John Diggle / Spartan John Diggle / Spartan See fewer	Arrow (2012)
Willa Holland Thea Queen (credit only) Thea Queen (credit only) See fewer	Legion (2010)
Emily Bett Rickards Felicity Smoak Felicity Smoak See fewer	Arrow (2012)
Echo Kellum Curtis Holt / Mr. Terrific Curtis Holt / Mr. Terrific See fewer	Arrow (2012)
Josh Segarra Adrian Chase / Prometheus Adrian Chase / Prometheus See fewer	Arrow (2012)
Paul Blackthorne Quentin Lance Quentin Lance See fewer	Lagaan: Once Upon a Time in India (2001)
Rick Gonzalez Rene Ramirez / Wild Dog Rene Ramirez / Wild Dog See fewer	Old School (2003)
Juliana Harkavy Dinah Drake Dinah Drake See fewer	Last Shift (I) (2014)
Carly Pope Susan Williams Susan Williams See fewer	Elysium (I) (2013)
Lexa Doig Talia al Ghul Talia al Ghul See fewer	Andromeda (2000)
David Meunier Ishmael Gregor Ishmael Gregor See fewer	Justified (2010)
Mike Dopud Viktor Viktor See fewer	X-Men: Days of Future Past (2014)
Adrian Holmes Frank Pike Frank Pike See fewer	The Cabin in the Woods (2011)
David Nykl Anatoly Knyazev Anatoly Knyazev See fewer	Stargate: Atlantis (2004)
Kacey Rohl Alena Alena See fewer	White Lie (I) (2019)
Kaare Anderson ESU Leader ESU Leader See fewer	Firefly Lane (2021)
Parveen Dosanjh Doris Chase Doris Chase See fewer	Arrow (2012)
Nilo Ghajar Student Student See fewer	War for the Planet of the Apes (2017)
Celia Reid Mayor's Assistant Mayor's Assistant See fewer	Family Law (2021)
Peter Brown Hacker (uncredited) Hacker (uncredited) See fewer	The Plastic Protocol (2010)
Michael Dorn Prometheus (voice) (uncredited) Prometheus (voice) (uncredited) See fewer	Star Trek: First Contact (1996)