Born in Hamilton, South Lanarkshire, Breon began in John Hare's touring company and later played on the West End stage and in Glasgow, gaining prominence.

Vampire movies",[1] so it is reasonably certain that MacLaverty is indeed the actor who appeared under the name Edmond Bréon[2] in many Gaumont films 1907–1922 including, most famously, playing the part of Inspector Juve for Louis Feuillade in the ground-breaking Fantômas series.

He did also appear in a small part in the 1915–1916 Feuillade series Les vampires although this is not, as his grandson supposes, a horror film.

A year later he emigrated to the United States and gained his first big American film part in The Dawn Patrol (1930).

A 1949 newspaper article noted that Breon's "career has been interrupted by serious illness and an accident which kept him idle for two years.