Episode Overview

Dr. Wells' former protégé, Hartley Rathaway, returns to seek revenge on his mentor. Meanwhile, Iris is hired as a cub reporter; Cisco recalls his first day on the job at S.T.A.R. Labs; and Joe asks Eddie for a favor but asks him to keep it a secret from Barry.

Guest Stars

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Roger Howarth

Mason Bridge

Tom Butler

Eric Larkin

Sarwan Badesha

Cop

Quynh Mi

Woman

Andy Mientus

Hartley Rathaway / Pied Piper

Morena Baccarin

Gideon (voice) (uncredited)

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