“I sort of had to watch my mouth around her”: Emma Watson Wasn’t Surprisingly the Harry Potter Star Who Put the Fear of God in Daniel Radcliffe to Not Mess Up While Filming

One Harry Potter actor, more so than Emma Watson, challenged Daniel Radcliffe to keep up with her knowledge of the Wizarding World.

Joining the cast of Harry Potter as Luna Lovegood in Order of the Phoenix, Evanna Lynch left a significant impact on Daniel Radcliffe.
Being a Harry Potter superfan, Evanna Lynch’s deep knowledge about the wizarding world left Daniel Radcliffe intimidated.
Lynch’s expertise in the Harry Potter lore and her eye for minor errors made Radcliffe more conscious of the series’ details.

Despite being known for her discipline on set and her diligence, Emma Watson surprisingly wasn’t the Harry Potter star who intimidated Daniel Radcliffe the most. According to the actor’s interview with EW in 2007, as Radcliffe reflected on the new cast members of Harry Potter and the Order of the Phoenix, he mentioned living in fear of Evanna Lynch.

Joining the billion-dollar franchise with no prior acting experience, Evanna Lynch donned the role of Luna Lovegood in the films. However, following her admission to the cast, Lynch not only brought a new dimension to the beloved franchise but also had a surprising effect on her co-star Daniel Radcliffe.