At 56 years old, Joe Flanigan has this physical status:
After graduation, he pursued a writing career. He worked on Capitol Hill on President George H. W. Bush's advance team. and then briefly for several New York City publications, including Town & Country and Interview magazine. On the advice of some of his friends, he studied at the Neighborhood Playhouse, was coached by Gerald Gordon, and then moved back to Los Angeles in 1994 to pursue an acting career.
Flanigan had guest roles in numerous television series including Profiler, First Monday, and Sisters, until he got his breakthrough with his role on Stargate Atlantis as Lt. Colonel John Sheppard. He lived in Vancouver, British Columbia, Canada, where the series was filmed during the week, and flew to Los Angeles during the weekends where his wife and children resided. He additionally wrote for the series and created the stories for the Stargate Atlantis second season episode "Epiphany" and the fourth season episode "Outcast".
In September 2007, scifi.com's SciFi Wire service reported that, "Talent agency UTA filed suit on Sept. 24 against Stargate Atlantis star Joe Flanigan in Los Angeles Superior Court, claiming that the actor owes $99,225 in commissions, according to The Hollywood Reporter; Flanigan's manager, John Carrabino, told the trade paper about the lawsuit: 'I had no idea they did this. This is the first time I'm hearing about this.'" UTA filed a similar lawsuit against actor Wesley Snipes, who was equally surprised. This suit was settled in December 2008.
Flanigan appears in Brooks Institute photographer John A. Russo's upcoming book About Face. Part of the proceeds are to be donated to Smile Train.
In 2019, Flanigan joined the cast of General Hospital as recurring character Dr. Neil Byrne.