Joining Stephen Amell and Katie Cassidy in the "Arrow" season 4 cast are "Warcraft" star Ryan Robbins and "Spectral" actor Jimmy Akingbola. Robbins will play villain Conklin while Akingbola will play Baron Reiter, also known as Baron Blitzkrieg.
Conklin is a ruthless and sadistic Shadowspire member who will be an adversary for Oliver Queen (Amell). In DC Comics canon, Akingbola's character is the leader of Shadowspire.
Making his debut on "Arrow" season 4 episode 3, Robbins' character combat Oliver Queen in the flashback sequences, in which Amell's title character will also deal with Baron Reiter, Variety has learned.
Both Robbins and Akingbola are set to star in the 2016 film "Spectral," which is directed by Nic Mathieu and written by Ian Fried, John Gatins, Jamie Moss and George Nolfi. The action film also stars Emily Mortimer, Max Martini and James Badge Dale, among others.
Robbins will also star in Duncan Jones' 2016 film "Warcraft" with "Vikings" actor Travil Fimmel, "Fantastic Four" actor Toby Kebbel and "About Last Night" actress Paula Patton, among others.
Meanwhile, at the recent San Diego Comic Con, Amell gave the press some "Arrow" season 4 spoilers particularly on Oliver Queen and Felicity Smoak (Emily Bett Rickards).
"I'm not going to spend five episodes in domestic bliss," Fan Bolt quoted Amell as saying. He revealed that something is going to draw Oliver Queen and Felicity Smoak to Starling City and an "impending doom" is likely to happen.
"Arrow" season 4 will premiere on The CW on Oct. 7.