John Barrowman

'Doctor Who': John Barrowman to Return as Jack Harkness for Holiday Special (VIDEO)

What the 'Arrow' Stars Are Doing Next (PHOTOS)

Spoiler Alert

'Arrow' Bids Farewell to an Original Character & More

'Battle of the Network Stars' Announces Teams for ABC Revival

'The Flash' and 'Supergirl' 'Duet' Right in Musical Crossover Episode

DC's Legends of Tomorrow Announces New Justice Society Heroes and Legion of Doom Villains

Reign: John Barrowman Plays a Powerful Scotsman Who Threatens Mary's Crown

Arrow's John Barrowman Gives a Hands-On Preview of Malcolm's New Look (VIDEO)

Why Arrow's Malcolm Merlyn Had to Lose a [Spoiler]

Arrow's Katrina Law Teases "Epic" Battle

The Secret Past of Arrow's Malcolm Merlyn Revealed in New DC Comics Series

The Arrow Cast Dreams of a Downton Abbey Crossover (VIDEO)