• There will be no facial prosthetics or heavy make up

    • There’s a "killer" costume

    • Patrick is keen to play someone who is "not the good guy for a change" (although the character is "not all bad")

    • It’s a significant enough character to be either moved, removed or revived later, depending on his availability

    • He’s keen to work again with David Tennant and "have the relationship evolve"