The Danish Girl actor is excited about the impending of his and wife Hannah Bagshawe's first child, though he admits he is also feeling a little bit scared of the big change and responsibility.
He said: "It's our first child, so obviously there's a mixture of emotions.
"Joy, excitement and a bit of fear. I can't wait. I'll be a hands-on dad."
And the Theory of Everything star - who married Hannah in 2014 - admits becoming a dad will cap off an "amazing" period in his life.
He said: "Having a baby is the perfect ending to what's been an amazing year.