The Frost/Nixon star lent his voice to the animation movie as he took on the character of Dr. Griffiths and he enjoyed his time working on the project.
Speaking to the Press Association the actor said: "There's only one place to fly when you've got pixie dust on you and that's over Victorian London's rooftops, of course. I get to do that in this.
"I get to change the time on Big Ben - it's a dream come true."
And the actor admitted that one of the big reasons that he took the movie on was because of his twelve year old daughter Lily.
Read the rest at FemaleFirst