From Wikipedia, the free encyclopedia. John Murice Jackson (born June 1, 1950 in Baton Rouge, Louisiana) is an American actor, best known for playing Rear Admiral A. J. Chegwidden on the CBS series JAG. John was forced to use his middle initial "M." for his professional name because there was already a "John Jackson" registered with the Screen Actors Guild when he joined the union. SAG rules prohibit two or more members from using the same name. (Another actor by the name of John E. Jackson is sometimes confused with John M. Jackson; both use middle initials for the same reason.)

John M. Jackson

Acting Born June 1, 1950 Baton Rouge, Louisiana, USA

From Wikipedia, the free encyclopedia.

John Murice Jackson (born June 1, 1950 in Baton Rouge, Louisiana) is an American actor, best known for playing Rear Admiral A. J. Chegwidden on the CBS series JAG.

John was forced to use his middle initial "M." for his professional name because there was already a "John Jackson" registered with the Screen Actors Guild when he joined the union. SAG rules prohibit two or more members from using the same name. (Another actor by the name of John E. Jackson is sometimes confused with John M. Jackson; both use middle initials for the same reason.)

Known For

Grey's Anatomy

Kevin Covington

NCIS

A.J. Chegwidden

Criminal Minds

Agent Malcolm Hollins

CSI: Crime Scene Investigation

Russell Huntley

Bones

Sam Cullen

Castle

Rod Halstead

NCIS: Los Angeles

A.J. Chegwidden

JAG

AJ Chegwidden

MacGyver

Police Sergeant

Ghost Whisperer

Miles Jensen

Rizzoli & Isles

Howard Ames

Without a Trace

Quentin Richards