Self

Walter Fields (1 episode)

Parkins Gillespie

Barry

Gene McCusker (4 episodes)

Gilbert McCalister

Producer

Judge Nilsson (1 episode)

Father Hagan

James

Michael Flynn (1 episode)

Death

Executive Producer

Dr. Friedrich Mann (1 episode)

Detective Wilson

Rev. Elias (2 episodes)

Walter Reed

Detective Michael Sheehan (3 episodes)

Henry Barrow

Gary Dolan (1 episode)

Father Andy (1 episode)

Sheriff Dusty Hawkins

Bob

Samuel

General Kelly / Mitch McConnell / Jeff Sessions (voice) (18 episodes)

Tony Teresi (2 episodes)

Roy Barnes

Sheriff Beau McKinney

Governor Ross

President Ellis (2 episodes)

Big Bill

Gino Fish

Peter Santucci

President Ellis (3 episodes)

Sam Custer (1 episode)

Cyrus Gast

Bernard

Valerian Hadley

Simon Stagg (1 episode)

George Peters (1 episode)

Plimpton

John (archive footage) (1 episode)

Ian Gale (1 episode)

Sam Milhoan (4 episodes)

Sheriff Doakes

Lee Underwood

Ed Musgrove

President Ellis

Police Commissioner Jack Dowdell (1 episode)

Sheriff Dixon

Western Man / Jack Abel

McClarenTruth.org's Financier (1 episode)

Helmut Torben (5 episodes)

Gino Fish

Ed

Marty

Ray

Valet

Chambers

John Capper

George Youngstown

Anton's Father (1 episode)

Brett Gelles (1 episode)

Gino Fish

Sharp

John McGarrett (8 episodes)

Gino Fish

Lt Col. Lewis 'Chesty' Puller (10 episodes)

(2 episodes)

Mr. Crolick

Ray Finnegan (1 episode)

Wilson Wyler Concannon

Thomas Conners

Gino Fish

Dr. Shelby

Dr. Sumner (2 episodes)

Jerry's Dad

John Edgemont (1 episode)

Jim

Thomas Novacek

Roger Dewitt

Gino Fish

Carlton Fog (8 episodes)

J. Everett Tuttle (1 episode)

Neil Herman (2 episodes)

Dad

Uncle Rodney

Red Cooper (1 episode)

Cole Carter

Phil Palmer

Senator Lampert

Kevin Drucker (1 episode)

Ivan Reisz

Paul Rice (1 episode)

Travis (1 episode)

Scotty Murray (1 episode)

Colonel Allen

Saul Wainright (1 episode)

Kenneth Braun

Darrin Tyler (13 episodes)

Abe

Kyle Devlin (1 episode)

Lee Leetch (1 episode)

Man

Ringo

Klaus Detterick

Jim Valenti (61 episodes)

Director (1 episode)

Adm. Frank Petersen

Quinn

Newberry

Jim Natter

Sloan (3 episodes)

Wild Bill Overbeck

Colonel Frank Madden / Improved Solo

Mummy

Shamus Bloom (2 episodes)

Dr. Linus

Frank Hellner

Frank Hellner (1 episode)

Frank Brayker

Heywood

Sarge

Sarge (10 episodes)

David Anatole

Dick Brian

Don

(1 episode)

Mr. Rush (Presenter)

Monroe

Grim Reaper

Yuri Chelenkoff

Treat

Frank Sutton

Anthony Prine

Stuart

Senator Vernon Trent

Niles Talbot (segment "The Man Who Was Death") (1 episode)

The Grim Reaper (1 episode)

Salesman Don

Colonel Fitzpatrick (1 episode)

Coach Dickey

(2 episodes)

Ken (2 episodes)

J.J. Oppenheimer (1 episode)

Major Rigby (1 episode)

(12 episodes)

Dr. Carroll (as Bill Sadler)

Rick Dillon / Kevin Moore (1 episode)

Dickson

Clumsy Guest (1 episode)

Hotel Clerk

Joey

Captain Rogers

Dieter Schmidt