Dean Norris

as Chief Dennison

as Prison Manager

as Senator Randall Murphy

as Captain Richard Williams(1 ep)

as Abraham

as Self

as Cliff

as General Halt

as Phil Sarkowski

as Self(1 ep)

as Khruschev

as Michael's Father(4 eps)

as Studio Head

as Frank(2 eps)

as Art(35 eps)

as Randall Stabler(19 eps)

as Roy Nicholls

as Howard Bacon

as Russ(1 ep)

as Donald Gaines

as Detective Rains

as Bob Grace(1 ep)

as Glenn Sickleman

as Clay "Uncle Daddy" Husser(40 eps)

as Jay(13 eps)

as Principal Richard Tyler

as Howard Fox(1 ep)

as John Kurlander

as Bumpy

as Le Loup(1 ep)

as Hank Schrader(2 eps)

as Ben Franklin(3 eps)

as Kent Mooney

as Ash Martini

as Self

as Buyer

as Self(1 ep)

as Sgt. Lyle Haugsven

as James "Big Jim" Rennie(39 eps)

as Fenton Glackland(5 eps)

as Bill

as Mexican Drug Cartel Leader(1 ep)

as Wayne(1 ep)

as Terry

as Frank Prescott

as Special Agent Brendan Johnson(2 eps)

as Deke(1 ep)

as Coach Gardner(1 ep)

as Softball Coach

as Del Tong

as Bob Kentner(1 ep)

as Donnie Barrett(1 ep)

as Michael Nelson(1 ep)

as Pike(1 ep)

as Cahill(1 ep)

as John Davis(1 ep)

as Hank Schrader(5 eps)

as Dawkins(1 ep)

as Warren Kane

as Sgt. Don Henderson(1 ep)

as Leon(1 ep)

as Hank Schrader(62 eps)

as Nelson(1 ep)

as Jodi's Father

as Richard Williams(6 eps)

as Ross Ford(1 ep)

as Officer Collins

as State Trooper McCleary

as Damien's Father(4 eps)

as Supervisor Marsh(2 eps)

as Mr. Parker(1 ep)

as Sporting Goods Clerk

as Terrence

as Don Timmons(1 ep)

as Vince(2 eps)

as Head of Security (voice)(1 ep)

as Detective Rickey(1 ep)

as Paul Scanlon(3 eps)

as Byron Kaneb(1 ep)

as Howard Gray(1 ep)

as Danny(1 ep)

as David Weiner(1 ep)

as Wayne Nelson (1994 & 2006)(1 ep)

as Vestman(1 ep)

as Ray Brennan(1 ep)

as Mark Noble(1 ep)

as W.D. Twitchell(13 eps)

as Frank Moran(2 eps)

as Tim Orley(1 ep)

as General Bowden(2 eps)

as Sgt. Siegel

as Liam Moore(1 ep)

as Detective Shea(1 ep)

as Agent McGee

as Matthew Gordon(1 ep)

as Judge Whittaker(1 ep)

as Charles N. Burke(1 ep)

as Bob Durham(1 ep)

as Phil Baker(3 eps)

as Cole

as Officer Roberts

as Steve Hodder(2 eps)

as Naval Captain

as Dr. Stone(1 ep)

as Jackson Lasarr(1 ep)

as Victor 'Vic' Delorio

as Bill Dellinger

as Scott

as Manny Denikolas

as Commanding Officer

as Cop on the Beat

as Kalena

as Detective(1 ep)

as Agent Boxer(1 ep)

as Ray Johnson

as Tommy Larson(1 ep)

as Sheriff Whalen(1 ep)

as Frank Maddigan(1 ep)

as Rod Montgomery

as Detective Carl Messenger

as Detective Pike(2 eps)

as Frank Sarezin

as Dave Grant

as Guard with Dooley

as Levasseur

as Graham Chandler

as Rusty Arnold(3 eps)

as Mover

as Red Arrow

as Clark(1 ep)

as Shep

as Detective Marconi

as Fleming

as Hershiser

as Marshal Tapia(1 ep)

as Allen(1 ep)

as The Squat Man

as Deke Powell(1 ep)

as 1st Scientist

as Michael Dawson

as Det. Russell Dahl

as Henderson

as Director

as Matt Hobert

as Mike

as SWAT Team Leader

as Lieutenant Martin

as Bill

as Maddox

as SWAT Team Leader

as Tony

as Det. Sgt. Goodhart

as Foreman

as Tim Cavanaugh

as Deputy Joe

as Cop (uncredited)

as Ralph Thomas(1 ep)

as Richard

as Biggs(1 ep)

as Rodent(1 ep)

as Martin(1 ep)