The Flash Season 4 Episode 18
Lose Yourself
When Barry and Team Flash find a way to enter The Thinker’s lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is concerned by Harry’s recent behavior.
Guest Stars
Hartley Sawyer
Ralph Dibny / Elongated Man
Arturo del Puerto
Edwin Gauss / Folded Man
Miranda MacDougall
Izzy Bowin
Kim Suzanne Engelbrecht
Marlize DeVoe / The Mechanic
Andrew Barber
Hippie Guy