Walter B. McGrail (October 19, 1888 – March 19, 1970) was an American film actor.

[1] He appeared in more than 150 films between 1916 and 1951.

Besides feature films, he appeared in The Scarlet Runner, a 12-chapter serial.

[2] McGrail was born in Brooklyn, New York, and died in San Francisco, California, at the age of 81.