Stepfather of actress Melissa Caulfield.

There is an eighteen year age difference between Caulfield and his wife, Juliet Mills, who was born in 1941.

Step-father of Sean Alquist (wife Juliet Mills's son from a former marriage).

His brother, musician Marcus Maclaine, was romantically linked to Hayley Mills, sister of Maxwell's wife Juliet Mills.

Listed as one of twelve "Promising New Actors of 1985" in John Willis' Screen World, Vol. 37.

Started out as a "Go Go" dancer in clubs.

Initially made a name for himself by his totally nude appearances on the New York stage. He once played completely uncovered for forty minutes with Academy Award winning actress Jessica Tandy.

His U.S. stepfather was a Parris Island Marine instructor. He kicked Maxwell out of the house at the age of 15, leaving the young man to make his living on his own.