Alexis's first lead was alongside Christopher Lee in the feature film Murder Story where he played an investigative reporter. One of his first known works in television was on the arcade version of the video for "Got My Mind Set On You" by George Harrison.
In 1995 he landed a small part in the 1995 movie First Knight, appearing as one of Arthur's round table knights in multiple scenes with Sean Connery and Richard Gere.
As a result, he later showed up in season one, episode 10 of Angel, and was an official main cast member from episode 11 (effectively replacing Doyle), appearing in 100 out of the 110 episodes of the series.
The character was heavily endeared to fans due to the transformation from goofy and lovable, to dark, depressed and moody as a result of events that occur over the course of the series.
In early 2004, Hannigan made her West End debut, starring in a stage adaptation of When Harry Met Sally...
"Sometimes you need distance to really understand the gravitas of that. As an actor, all you ever want to do is leave your mark — you want to do something that affects people." spinoffs as the show wrapped up, but nothing ever came to fruition, but Head is still open to exploring his character should Joss Whedon be. He's a wonderful storyteller, a great director, and a lovely man," Head said when asked about a Giles spinoff.
Then in 1989, her first regular role on a TV series came when she was cast in the short-lived ABC sitcom Free Spirit.
As a teenager, Hannigan babysat for the children of her future How I Met Your Mother costar, Bob Saget.
Just as she was wrapping up her remarks, Brendon jumped in with this doozy: "You mean it wasn't Susan Lucci?
" If Gellar had a stake, I'm pretty sure she would've driven it through his heart.