Magrill performed on stage before he began to work in films.
[1] Besides his acting, Magrill worked as a stunt man in films.
He also served in the Navy and became a lightweight boxing champion in that service branch.
[2] Magrill was born in Brooklyn, New York, was married to Ramona Oliver, and had a daughter named Marilynn.
On May 31, 1952, Magrill died in Los Angeles, California.