Looks like naughty Captain Jack could be Doctor Who’s new version of River Song. Whispers from a well placed source tell us that 2013 will see the appearance of a young Jack Harkness. Writers are setting up the possibility of the characters involvement in the 50th anniversary without it becoming burdened by difficult current Torchwood continuity brought on by it’s last series and the question of John Barrowman actually being available now he is working in the USA more and more.
It would also make sense where the Doctor/Jack timeline is concerned. With Jack’s memory loss in later life he wouldn’t remember the Doctor the ‘first’ time they met (when he was the Ninth Doctor,) and he wouldn’t remember the ‘real’ first time they met because it would not happen until he was the Eleventh. It would make for a reverse River story with the Doctor now in River’s situation. Confusing, yes, but Moffat loves to cause confusion.
Just one problem: who would be capable to pull of a new version of a part made so legendary by John Barrowman?