List of Torchwood characters

This is a list of characters from the British science fiction television programme Torchwood, created by Russell T Davies. This list includes main characters, recurring characters and important guest characters. The main characters typically function as a team, defending the planet from alien and nefarious human threats. The series operated with a "monster of the week" format for its first two series before adopting a serial-based format for its third and fourth series, which feature an extended recurring cast of supporting characters.

Main characters

Jack Harkness

Jack Harkness, played by Scottish-American actor John Barrowman, is the leader of Torchwood Three. A former Time Agent born in the 51st century, Jack had two years of his memories wiped by the Time Agency and subsequently became a con man operating in the 20th century, where he stole the name of "Captain Jack Harkness"; his real name is unknown. After meeting the Ninth Doctor in Doctor Who, Jack reformed and changed his ways, and after a stint as the Doctor's time travelling companion found his way to Torchwood in the 19th century. Cursed with immortality following his previous adventure with the Doctor, Jack served Torchwood on-and-off for centuries, eventually becoming its leader at the start of the 21st century, and handpicking a new team for himself thereafter. As a result of his immortality, Jack has lived a long life, in which he has seen the loss of his brother Gray, his grandson Stephen, and numerous lovers, both male and female. Including Gwen Cooper and Ianto Jones.