Jamie Dornan has spoken about the nudity in Fifty Shades of Grey, saying that he won't have any full-frontal scenes.

The actor said to The Observer: "There were contracts in place that said that viewers wouldn't be seeing my, um...todger."

Dornan was also asked how graphic the adaptation would be, to which he replied: "You want to appeal to as wide an audience as possible without grossing them out. You don't want to make something gratuitous, ugly and graphic.

"Sam [Taylor Johnson, director] is a very bright woman, so there might be some suggestive elements to it, but I haven’t seen it at this stage, so it is hard for me to say. I'm aware of what we shot, and it wasn't as if we shot a film without any action."

The Fall star spoke about the reaction he's expecting to get from his close group of friends, saying: "I'm more concerned about my mates. More concerned about the ribbing I'll get. We’re all quite harsh with each other, in a lovely, known-each-other-all-our-lives way."

Fifty Shades of Grey is set to open in cinemas on Valentine's Day 2015.

Series two of Dornan's serial-killer drama The Fall returns to RTÉ One in the coming weeks.