Suggestions by @vadim_havard

Karen Fukuhara

as Katana in Green Arrow

Karl Yune

as Maseo Yamashiro in Green Arrow

Tao Okamoto

as Mercy Graves in Green Arrow

Peter Sarsgaard

as Hector Hammond in Green Arrow

Flula Borg

as Javelin in Green Arrow

Joe Dinicol

as Ragman in Green Arrow

Daya Vaidya

as Onomatopoeia in Green Arrow

Magda Apanowicz

as Fiddler in Green Arrow

Minka Kelly

as Dove in Green Arrow

Mark Margolis

as Felix Faust in Green Arrow

Peter Stormare

as Count Vertigo in Green Arrow

Seth Gabel

as Count Vertigo in Green Arrow

Fallon Smythe

as Bluebird in Green Arrow

Matt Nable

as Ra's al Ghul in Green Arrow

Alexander Siddig

as Ra's al Ghul in Green Arrow

Liam Neeson

as Ra's al Ghul in Green Arrow

Ken Watanabe

as Ra's al Ghul in Green Arrow

Brenton Thwaites

as Robin in Green Arrow

Neal McDonough

as Damien Darhk in Green Arrow

Sarah Pidgeon

as Jane Doe in Green Arrow