Station Chief John "Jack" Brennan is a fictional character in the ABC daytime drama General Hospital. He was originally called John Brennan, but was changed presumably to avoid confusion with Special Agent John "Jagger" Cates. He is portrayed …

1 day ago · Longtime fans of 'General Hospital' may have noticed that Jack Brennan looks a little different these days. Here's what happened to the character.

2 days ago · The role of Jack Brennan in 'General Hospital,' which Charles Mesure originally played, will now be played by Chris McKenna.

3 days ago · 'General Hospital' viewers on Tuesday said g'day to a brand-new Jack Brennan, although the veteran WBS spook no longer sounds like the Aussie he is.

4 days ago · Charles Mesure is walking away from his role as Brennan on 'General Hospital after one year and will be replaced by soap veteran Chris McKenna.

4 days ago · Charles Mesure exited from ‘General Hospital’ after making his debut in December 2023 as Jack Brennan

2 days ago · General Hospital's very own shady WSB agent, Jack Brennan, has a whole new face now that Charles Mesure has exited the role.

3 days ago · In a surprise move, Chris McKenna has taken over the role of General Hospital ’s Jack Brennan from Charles Mesure, who chose to leave the soap.

4 days ago · The character of Jack Brennan on General Hospital is quite an enigmatic guy, and everything we learn about him seems to raise even more questions! The role is being played by Charles Mesure, who made his debut in the Dec. 1, 2023, episode of GH.

John Brennan, also known as Jack, is the former director of the World Security Bureau whose history with Anna Devane is complicated, to say the least. He also served as the head of the Pikeman Security Group prior to Valentin Cassadine assuming his position following Brennan's arrest in Port Charles.