Arrow Dark Waters (Season 4, Episode 9)
TV-14
TV Episode | 42 min | Action, Adventure, Crime

Arrow

Dark Waters (Season 4, Episode 9)

TV-14

TV Episode | 42 min | Action, Adventure, Crime

Oliver moves against HIVE; Malcolm goes to see Thea, leaving her with a warning; Damien Darhk retaliates at Oliver's holiday party.

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Cast	+ Add Cast
27 cast members

Name	Known for
Stephen Amell Oliver Queen / Green Arrow Oliver Queen / Green Arrow See fewer	Arrow (2012)
Katie Cassidy Laurel Lance / Black Canary Laurel Lance / Black Canary See fewer	A Nightmare on Elm Street (2010)
David Ramsey John Diggle John Diggle See fewer	Arrow (2012)
Willa Holland Thea Queen Thea Queen See fewer	Legion (2010)
Emily Bett Rickards Felicity Smoak Felicity Smoak See fewer	Arrow (2012)
John Barrowman Malcolm Merlyn Malcolm Merlyn See fewer	Torchwood (2006)
Paul Blackthorne Quentin Lance Quentin Lance See fewer	Lagaan: Once Upon a Time in India (2001)
Neal McDonough Damien Darhk Damien Darhk See fewer	Minority Report (2002)
Eugene Byrd Andy Diggle Andy Diggle See fewer	Anacondas: The Hunt for the Blood Orchid (2004)
Charlotte Ross Donna Smoak Donna Smoak See fewer	Drive Angry (2011)
Echo Kellum Curtis Holt Curtis Holt See fewer	Arrow (2012)
Ryan Robbins Conklin Conklin See fewer	Sanctuary (2008)
Elysia Rotaru Taiana Venediktov Taiana Venediktov See fewer	Arrow (2012)
Parker Young Alex Davis Alex Davis See fewer	Imposters (2017)
Lynda Boyd Phaedra Nixon Phaedra Nixon See fewer	Virgin River (2019)
Janet Kidder Ruvé Adams Ruvé Adams See fewer	Star Trek: Discovery (2017)
James Kidnie Milo Armitage Milo Armitage See fewer	Upside Down (I) (2012)
Keri Adams Bethany Snow Bethany Snow See fewer	Arrow (2012)
Alison Araya Officer Lopez Officer Lopez See fewer	Julie and the Phantoms (2020)
Joel Cottingham Prisoner #2 Prisoner #2 See fewer	Supernatural (2005)
Jason Duiven Ghost Ghost See fewer	Fringe (2008)
Sam Dulmage Prisoner #1 Prisoner #1 See fewer	The Merry Ghost of Summerville (2005)
Ava Frye Young Girl with Glasses Young Girl with Glasses See fewer	Pirates (2015)
Marrett Green Reporter Reporter See fewer	Final Destination (2000)
Tuesday Hofmann Darhk's Daughter Darhk's Daughter See fewer	Arrow (2012)
Chenier Hundal Paul Holt Paul Holt See fewer	Arrow (2012)
David Hardware Volunteer (uncredited) Volunteer (uncredited) See fewer	Riverdale (2017)