Spartacus star Nick Tarabay has joined the cast of Arrow in a multi-episode Season 3 arc as Digger Harkness, a.k.a. Captain Boomerang.

In The CW series, Captain Boomerang is a former A.R.G.U.S. operative who is highly-trained in martial arts and is on a quest to get revenge against his past employers. The character will be introduced in the seventh episode of Season 3, and he will also be featured in the eighth episode, which will be a crossover episode with The Flash. In the comic books, Captain Boomerang is a regular nemesis of Arrow, who is equipped with specialized boomerangs that he uses with uncanny accuracy.

Nick Tarabay joins a growing roster of DC characters on Arrow for Season 3, including Matthew Nable as the season's primary villain, Ra's al Ghul, Amy Gumenick as Cupid, Brandon Routh as Atom, Peter Stormare as Vertigo, J.R. Ramirez as Wildcat, David Cubitt as Manhunter, Matt Ward as Komodo, Rila Fukushima as Katana and Karl Yune as Maseo Yamashiro.

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Aside from playing Ashur on Spartacus, Nick Tarabay also starred on Starz's Crash and he most recently had an arc on NBC's Believe.

In addition, we have a slew of new photos from the Season 3 premiere of Arrow, which airs Wednesday, October 8 at 8 PM ET on The CW. These images give us fresh looks at Vertigo (Peter Stormare), Ray Palmer (Brandon Routh) and Arsenal (Colton Haynes) in full costume, along with Oliver Queen (Stephen Amell), Laurel Lance (Katie Cassidy) Quentin Lance (Paul Blackthorne) and Felicity Smoak (Emily Bett Rickards).

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