Checkmate

Oliver gets closer to the truth about Prometheus. Meanwhile, Helix refuses to continue helping Felicity until she does a favor for them.

My Thoughts

Guest Stars

Special appearances in this episode.

Guest Stars

Rick Gonzalez

Rene Ramirez / Wild Dog

Juliana Harkavy

Dinah Drake

Parveen Dosanjh

Doris Chase

David Meunier

Ishmael Gregor

Mike Dopud

Viktor

Adrian Holmes

Frank Pike

Kaare Anderson

ESU Leader

Nilo Ghajar

Student

Carly Pope

Susan Williams

Kacey Rohl

Alena Whitlock

Celia Reid

Mayor's Assistant

Lexa Doig

Talia al Ghul

David Nykl

Anatoly Knyazev

Crew

Episode-specific crew credits.

Beth Schwartz

Writer

Writing

Sarah Tarkoff

Writer

Writing

Ken Shane

Director

Directing

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