‘That scene [To The Last Man] is also the pair’s first kiss of series two, after a single snog in End of Days…
“Yeah, it’s their first mutual kiss!” laughs Gareth “That was a lovely scene to do. It was well one shot and we did it in one take. I love it. It felt really natural for the characters, and as soon as I read it I thought: that’s Ianto’s real purpose in Torchwood. That’s why he needs Jack and why Jack needs him too, even after what happened with Lisa. They help each other out, emotionally and philosophically, and it was good to see the confirmation of that
Torchwood Magazine #5