Rachel Bell, a talented individual, was born and raised in East Sussex, the only daughter of a civil servant, Mike, and a speech therapist, Mary. Her English teacher played a pivotal role in encouraging her to audition for the National Youth Theatre, where she spent several seasons honing her craft under the guidance of its founder, Michael Croft. Notable performances during her time at the National Youth Theatre included playing Ophelia in Hamlet and Desdemona in Othello.
Despite initially failing to gain admission to drama school, Rachel persevered and eventually secured a spot at the prestigious Bristol Old Vic Theatre School, where she graduated with the Peter Ackerman comedy award. Her professional career began at The Wolsey Theatre in Ipswich during the early 1990s, followed by stints with the National Theatre at the Haymarket in London, where she appeared in Tom Stoppard's acclaimed production of "Arcadia", and alongside Richard Harris in Pirandellos' adaptation of Henry V at Wyndhams Theatre.
In a poignant turn of events, Rachel played the role of a mother to a profoundly deaf daughter, portrayed by Maisie Sly, in the Oscar-winning short film, The Silent Child. Moved by the experience, Rachel decided to learn sign language, recognizing the importance of effective communication with Maisie on set.