Trivia

Is fluent in "Mametese".

The play and book American Buffalo, is dedicated to "Mr. J.J. Johnston of Chicago Illinois".

Author of four books on Boxing.

2004 Inductee to The California Boxing Hall of Fame - Observer - Historian.

David Mamet and J.J. Johnston, played "Tweedle Dee" and "Tweedle Dumb", in the Chicago production of "Alice in Wonderland".

1983-84 New York Theatre World Award Winner - Outstanding New Talent "American Buffalo" (Al Pacino).

1985 L.A. Drama Circle Louge Award - Winner - Best Ensemble "Glengarry Glen Ross".

1986 Bay Area Critics Award - Winner - Outstanding Supporting Performance by an Actor "Glengarry Glen Ross".

He was nominated for a 1976 Joseph Jefferson Award for Actor in a Principal Role in a Play for "American Buffalo" at the St. Nicholas Theater Company in Chicago, Illinois.

He was nominated for a 1977 Joseph Jefferson Award for Actor in a Principal Role in a Play for his performance in "Some Kind of Life" at the Actors' Company at Victory Gardens Theatre in Chicago, Illinois.

1996 L.A. Drama Circle Lounge Award - Winner - Best Ensemble - "Detective Story".