Mark Aaron Wagner is a stunt performer and actor who doubled for Carlos Bernard in the role of Tony Almeida during the bombing of CTU in "Day 2: 10:00am-11:00am". In the same episode, he also played a CTU worker who was blasted over a desk with Christopher Caso, however he didn't make it to the final cut with this character. He is a distinguished stunt performer with many film and TV credits to his name.