The Sherlock star alleges that the footage shows her time “spent in a room that was toxic” with Strictly professional Giovanni Pernice.
Amanda Abbington has claimed that she and her lawyer are trying to access 50 hours of rehearsal room footage that was filmed during her training for Strictly Come Dancing last year.
Di Prima, who joined Strictly in 2018, has since admitted to kicking reality star McDermott in the rehearsal room.
The BBC dance competition series is currently facing the biggest scandal in its 20-year history as multiple dancers face misconduct allegations.