The 43-year-old actor, who portrayed Patrick Logan on the dramedy, also admitted that he relishes seeing himself on television.
He told TV Times: "Often actors say they can't bear to watch themselves on TV, but I'm not like that - I love watching myself.
"I'll be getting the popcorn and the vodka tonics, and I'll be jumping up and down. When I saw it in America with my friends, we had cocktails and they all applauded when I walked on screen. I am so chuffed.
"I really enjoyed working in America. I had a lot of fun and I got to see lots of family and friends - including [former Doctor Who producer] Russell T Davies."
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