. "Katherine Jackson"@en . . . . . "John M. Jackson"@en . . . "John M. Jackson (born John Murice Jackson) is an American actor who plays Rod Halstead on Castle. Jackson was best known for his role as Rear Admiral A. J. Chegwidden on the TV series JAG."@en . "1950-06-01"^^ . . . "Baton Rouge, Louisiana, USA"@en . "John M. Jackson (born John Murice Jackson) is an American actor who plays Rod Halstead on Castle. Jackson was best known for his role as Rear Admiral A. J. Chegwidden on the TV series JAG."@en . . . . "John Murice Jackson"@en . "John Murice Jackson is an American actor best known for his appearance on JAG."@en . "In May 2013, Jackson returned as Chegwidden in the JAG spin-off series, NCIS with Jackson guest-starring in the NCIS Season 10 finale episode, Damned If You Do (episode)."@en . "John M. Jackson played Kevin Covington in the season four Grey's Anatomy episode The Becoming. He also played Carl Davis in the season five Private Practice episode Drifting Back."@en . . . . . . "Jana Gale Hawkins Jackson"@en . . "1981"^^ . "1950-06-01"^^ . "In May 2013, Jackson returned as Chegwidden in the JAG spin-off series, NCIS with Jackson guest-starring in the NCIS Season 10 finale episode, Damned If You Do (episode)."@en . "*GA: 4\n*PP: 5"@en . "John M. Jackson"@en . "John M. Jackson played Kevin Covington in the season four Grey's Anatomy episode The Becoming. He also played Carl Davis in the season five Private Practice episode Drifting Back."@en . . "*GA: Kevin Covington\n*PP: Carl Davis"@en . "John Murice Jackson is an American actor best known for his appearance on JAG."@en . . "413698"^^ . "Conor Jackson"@en . . . "Baton Rouge, Louisiana"@en . . . .