Millennium

Arnold Mayer

Just Cause

Warden

The Wasp Woman

Dr. Zinthrop

St. Ives

Johnny Parisi

Midnight Crossing

Morely Barton

The Sixth Column

Ted

The Organization

Sgt. Chassman

Adam

John Walsh

Who Killed Teddy Bear?

Carlo

One Small Hitch

Max Shiffman

Weep No More, My Lady

Ted

Aurora

David Ackermann

Siao Yu

Mario Moretti

NBC 75th Anniversary Special

Self

Murder in My House

Stan Douglas

Little Moon of Alban

British Soldier

Tagget

John Tagget

I Never Sang for My Father

Gene Garrison

Fellow Traveller

Jerry Leavy

Adam: His Song Continues

John Walsh

Murrow

Edward R. Murrow

Eyes of a Witness

Roy Baxter

The Winter Stallion

Alan

My Name Is Kate

Hal Bannister

To Sir, with Love II

Horace Weaver

A Case of Libel

Boyd Bendix

In the Shadows, Someone's Watching

Making a Case for Murder

Joe Hynes

Little Moon of Alban

British Soldier

It's My Turn

Interviewer (uncredited)

Night of 100 Stars

Self

Megaville

Duprell

The Love War

Todd

Love on a Rooftop

Gidget

The F.B.I.

Roy Donald Blake

Gunsmoke

Aaron Barker

Mannix

Hill Street Blues

Frank Furillo

Knots Landing

Lieutenant Steinmetz

The Mod Squad

Newhart

Kojak

Lt. Charles 'Chuck' Danena

Lost in Space

Space Hippie

Hart to Hart

Edgar

Perry Mason

Barney Austin

Mission: Impossible

Cannon

Missing Persons

Ray McAuliffe

Battle of the Network Stars

Lancer

The Patty Duke Show

Judd for the Defense

The Outer Limits

Chairman Thornwell

The Defenders

Detective Russo

Shane

Grant

Premiere

Route 66

Marty Johnson

Saturday Night Live

Self - Host

Grey's Anatomy

Barry Patmore

The F.B.I.

Billy Jack Lyle

The F.B.I.

Harry Cando

The F.B.I.

Prof. Jason Grant

Gunsmoke

Carl

CHiPs

Daniel J. Travanti (uncredited)

Kojak

Captain Badaduchi

Flipper

Commander Willard

Chicago Med

Edward Hall

Barnaby Jones

Fred Bender

NCIS: Los Angeles

Garrison

Prison Break

Richard Mills

Criminal Minds

Lee Mullens

The Bob Newhart Show

Mr. Gianelli

Boss

Gerald 'Babe' McGantry

The Mod Squad

Milo

Captain Nice

Lenny

NCIS: Los Angeles

Nikita Aleksandr Reznikov

Screen Two

Jerry Leavy

Barnaby Jones

Lon Stevens

The Defenders

Carmine

Golden Globe Awards

Self - Nominee

The Man from U.N.C.L.E.

Luca

Medical Center

Dr. Pete Fredericks