Aaron-Sipple was born Stephen Martin Sipple in December 1987 in
Waltham Forest,
Essex. He had various jobs and trained as a firefighter prior to acting, before studying at The International School Of Screen Acting. He went on to appear in short films including
Light of the World (2012),
Ring Ring (2014),
Watch Over Me (2014) and
Killer Bird (2015). Aaron-Sipple has a daughter, born in 2015. His film credits include
Crying Wolf (2015),
Creatures (2020),
57A (2020),
Wolfshead (2021),
Card Dead (2021),
Cam Girls (2021) and
Revolution X (2023). Between 2023 and 2025, he appeared in the Danish crime drama series
Oxen as John Taylor. The drama subsequently began airing on
Channel 4 from November 2024. In January 2026, Aaron-Sipple appeared in
EastEnders again in a flashforward episode set on New Year's Day 2027 in which he was simply credited as "Man". Later that month, it was announced he would be joining the cast, taking over the role of as
Mark Fowler, last played by
Ned Porteous ten years prior. Upon joining the soap, Aaron-Sipple said "Having grown up in East London,
EastEnders has been in my life since childhood". He added that he was "excited to be joining not one, but two iconic Albert Square families and was looking forward to viewers seeing why Mark is back, and what Walford has in store for him." ==Filmography==