The Flash· Season 1 · Episode 16
Deadly Nightshade
Philanthropist Curtis Bonnahan, son of Derek Bonnahan, a mobster arrested by the Nightshade in the 1960s, becomes a copycat vigilante known as "The Deadly Nightshade", who employs lethal force in his crusade against crime.
Not streaming in your region — see every region's options
Guest stars
Mike Genoveseas Lt Warren Garfield
Richard Belzeras Joe Kline
Dick Milleras Fosnight
Jason Bernardas Dr. Desmond Powell
Jeri Ryanas Felicia Kane
Denise Crosbyas Rebecca Frost
Richard Burgias Curtis Bohannan
Gloria LeRoyas Pearl
Will MacMillanas Chesley KeefeCharles McDanielas Double Decker Johnny
Jonathan Fulleras Steve 4XCrew
Bruce BilsonDirectorHoward ChaykinWriter
John Francis MooreWriter