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The Flash – Season 1, Episode 17: Full Cast & Crew Aired Mar 31, 2015 Drama/Action/Adventure/Fantasy
A villain mimics a criminal mastermind known as The Trickster (Mark Hamill) -- who has been imprisoned for 20 years; Henry is abducted; Iris turns to Eddie for help with a case; flashbacks reveal how Dr. Wells developed the particle accelerator. TV-PG Air Date: Mar 31, 2015 See TV Episode Details

Cast & Crew

All Cast Crew
Grant Gustin Barry Allen, The Flash Actor Candice Patton Iris West Actor Rick Cosnett Eddie Thawne Actor Danielle Panabaker Caitlin Snow Actor Carlos Valdes Cisco Ramon, Vibe Actor Tom Cavanagh Dr. Harrison Wells Actor Jesse L. Martin Detective Joe West Actor Mark Hamill James Jesse, The Trickster Guest Star Devon Graye Axel Walker, The Trickster Guest Star John Wesley Shipp Henry Allen Guest Star Greg Berlanti Executive Producer Andrew Kreisberg Executive Producer, Writer David Nutter Executive Producer Sarah Schechter Executive Producer Ralph Hemecker Director