From Wikipedia, the free encyclopedia John Allen Nelson (born August 28, 1959) is an American actor.
Grey's Anatomy
as Arthur Soltanoff
NCIS
as Lloyd Manditsky
Criminal Minds
as Dan Murphy
CSI: Crime Scene Investigation
as Roger Gentry
CSI: Miami
as Mike Rydell
Castle
as Walter Dennis
Friends
as Paul
24
as Walt Cummings
Murder, She Wrote
as Tod Sterling
Rizzoli & Isles
as Robby Davenport
Without a Trace
as Mark Duncan
Baywatch
as John D. Cort
Quantum Leap
as Capt. Bill 'Bird Dog' Birdell
Burn Notice
as Lesher
Matlock
as Terry Maslin
Virgin River
as Everett Reid
V.I.P.
as FBI Agent Lambert
Scarecrow and Mrs. King
Early Edition
as Ricky Brown
Drop Dead Diva
as D.A. Callahan
