Born in Taunton,[3] played for the Taunton Titans and was in the academy at Bath Rugby.[4] He joined Cornish Pirates in 2018. Frost signed for Wasps RFC in May 2021.[5] He made 25 appearances for Wasps and joined Exeter Chiefs in October 2022, following the dissolution of Wasps for financial reasons.[6] After initially joining on a short-term contract,[7] in June 2023 he signed a new two-year contract with Exeter.[8][9]