Born on Feb. 1, 2001, Jack Marsden is James’s eldest son, and James has been a proud dad since day one. Back in 2019 for Jack’s 18th birthday, James shared a gallery of photos of him and his son over the years on Instagram, including when James and Jack both dressed as James’s X-Men character, Cyclops, for Halloween. James took Jack as his date to the 2017 SAG Awards, and James took all three of his kids to the premiere of “Sonic 2” in April 2022.
Jack has worked as a model and even walked during Milan Men’s Fashion Week for Dolce & Gabbana in fall/winter 2018/2019. James wrote on Instagram at the time that he “could not be more proud.”
More recently, Jack runs his own home recording studio and describes himself on Instagram as a producer, musician, and engineer.