Sneaking onto your show for a scene without telling is probably one of the most Irish dad moves an Irish dad can make.

Jamie Dornan's doctor father managed to do just that on the latest season of 'The Fall', and Dornan recounted to Jimmy Kimmel last night just how many hoops were jumped through and what lengths he went to just to be a part of the show, all without his son finding out.

If you're curious, we documented Professor Jim Dornan's cameo in the third season when it aired, but spoilers, obviously.