John Barrowman, who plays Malcolm, is set to make a return as series regular on the third season of Arrow and will be reuniting with his daughter Thea again and the actor spoke about how the what fans can expect from their dynamic.

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In an interview with E!Online dated May 21, Barrowman said that he would help make a "tough cookie" out of Thea (Willa Holland) in the CW series.

"I can't wait to have some training sequences between father and daughter," Barrowman said. "Let's see what will happen when he's teaching her to be a tough cookie. She's already tough, but he's going to hone all that in and make her a tough bitch. That's what he's got to make her." Ugh, is it October yet?!"

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Interestingly enough, Thea will be make things awry for Oliver Queen (Stephen Amell) in season 3 of Arrow.

Here's the press release for season 3 of the show:

"After a violent shipwreck, billionaire playboy Oliver Queen (Stephen Amell) was missing and presumed dead for five years before being discovered alive on a remote island in the Pacific. He returned home to Starling City, bent on righting the wrongs of his family and fighting injustice.

To do this, he creates the persona of the Arrow and allies himself with former military man John Diggle (David Ramsey), computer-science expert Felicity Smoak (Emily Bett Rickards), street brawler Roy Harper (Colton Haynes) and international assassin Sara Lance (Caity Lotz), while keeping his secret from those closest to him including his sister Thea (Willa Holland), who has allied herself with his most deadly enemy. Rivalries and allegiances will shift as Oliver faces his most difficult challenge yet."

The finale of season 2 of Arrow aired on May 14 on The CW.

Watch the promo for the finale of season 2, titled Unthinkable:

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