Halsall has been in Coronation Street since November 1998, but had previously appeared in a variety of television shows including Children's Ward, Heartbeat, Hetty Wainthropp Investigates and Queer As Folk (1999).

[3][4] Halsall was married to former Coronation Street and Wild at Heart actress, Lucy-Jo Hudson.

[6] On 18 February 2013, via Twitter, the couple announced they were expecting their first child, a baby girl.

On 8 September 2013, Hudson gave birth to their daughter, 9 days after her due date, named Sienna-Rae.

[9] On 10 November 2023, Coronation Street confirmed Halsall would be taking a short break from the show due to him needing an operation to repair a ligament in his knee.