Her first major television role was in Cloud 9's The Legend of William Tell in 1998, in which she played Princess Vara.
Allen's other works includes a lead role in the episode "The Green Dress" of the TV programme William Shatner's A Twist in the Tale in 1999 and guest parts in Xena: Warrior Princess and Revelations - The Initial Journey.
In 2008 Allen joined Shortland Street as Dr Brooke Freeman,[1][2] where she was a main cast member until 2014 when her character departed.
Beth herself has helped produce a few plays, including Little Blonde Hen, and Vagina Monologues.
[3] The couple had a son Sidney born in 2016, a daughter Nell born in 2018, and Allen is currently expecting her third child due in June 2020 as confirmed by her in a new Podcast interview with The Tribe creator Ray Thompson on Youtube, uploaded on 4 April 2020.