"It appears he momentarily exited his car and it rolled backward, causing trauma that led to his death," said Los Angeles Police Department spokeswoman Jenny Houser.
Following his death, Star Trek Beyond studio Paramount Pictures released a statement which read: "All of us at Paramount join the world in mourning the untimely passing of Anton Yelchin. As a member of the Star Trek family, he was beloved by so many and he will missed by all. We share our deepest condolences with his mother, father and family."