While filming "Brain on Fire," Chloe Moretz had a close call with a cab, highlighting the often unpredictable nature of shooting on location in busy city environments. 

The incident occurred during a scene when Moretz, portraying a young woman battling a rare neurological condition, was in the middle of an emotionally charged moment. 

Eyewitnesses reported that a cab sped by, almost colliding with her, but she managed to dodge out of the way just in time. 

This close encounter serves as a reminder of the inherent dangers actors face while filming in bustling urban settings. 

Despite the scare, Moretz remained focused on her performance, demonstrating her dedication to the role.

"Brain on Fire," based on Susannah Cahalan's memoir, explores themes of identity, illness, and resilience, making it a poignant project for Moretz to undertake. 

The incident added an unexpected layer of drama to the already intense filming experience.