Mark Harmon

Freakier Friday

as Ryan

NCIS: Origins

as Older Leroy Jethro Gibbs (voice) (uncredited)

NCIS: Origins

as Older Leroy Jethro Gibbs (uncredited)

NCISverse: The First 1,000

as Self

Joe Montana: Cool Under Pressure

as Self - Narrator (voice)

The Kelly Clarkson Show

as Self

The Wild

as Self

All or Nothing: The Michigan Wolverines

as Narrator (voice)

The American West

as Self

The Late Show with Stephen Colbert

as Self - Guest

The Late Late Show with James Corden

as Self

NCIS: New Orleans

as Leroy Jethro Gibbs

The Arsenio Hall Show

as Self

Certain Prey

as Lucas Davenport

Justice League: Crisis on Two Earths

as Superman (voice)

Weather Girl

as Dale

The Bonnie Hunt Show

as Self

The Megan Mullally Show

as Self - Guest

The Tony Danza Show

as Self

Chasing Liberty

as James Foster

NCIS

as Leroy Jethro Gibbs

Freaky Friday

as Ryan

Jimmy Kimmel Live!

as Self

Local Boys

as Jim Wesley

Intimate Portrait: Pam Dawber

as Self

The Legend of Tarzan

as Bob Markham (voice)

And Never Let Her Go

as Thomas Capano

And Never Let Her Go

as Thomas Capano

Crossfire Trail

as Bruce Barkow

The Amati Girls

as Lawrence

For All Time

as Charles Lattimer

The West Wing

as Simon Donovan

I'll Remember April

as John Cooper

Family Guy

as Leroy Jethro Gibbs (voice)

Fear and Loathing in Las Vegas

as Magazine Reporter

From the Earth to the Moon

as Wally Schirra

The View

as Self

Casualties

as Tommy Nance

The First to Go

as Jeremy Hampton

The Rosie O'Donnell Show

as Self

JAG

as Leroy Jethro Gibbs

Charlie Grace

as Charlie Grace

The Last Supper

as Dominant Male

Magic in the Water

as Jack Black

Original Sins

as Johnathan Franye

Chicago Hope

as Jack McNeil

Natural Born Killers

as Mickey Knox in TV

Wyatt Earp

as Sheriff Johnny Behan

Harts of the West

Cold Heaven

as Alex Davenport

The Tonight Show with Jay Leno

Reasonable Doubts

as Det. Dicky Cobb

Till There Was You

as Frank Flynn

Shadow of a Doubt

as Charles Spencer

Long Road Home

as Ertie Robertson

Fourth Story

as David Shepard

Dillinger

as John Dillinger

Worth Winning

as Taylor Worth

Sweet Bird of Youth

as Chance Wayne

Stealing Home

as Billy Wyatt

The Presidio

as Jay Austin

After the Promise

as Elmer Jackson

Dear America: Letters Home from Vietnam

as (voice)

Summer School

as Mr. Freddy Shoop

Let's Get Harry

as Harry

The Deliberate Stranger

as Ted Bundy

The Deliberate Stranger

as Ted Bundy

Prince of Bel Air

as Robin Prince

Moonlighting

as Sam Crawford

Tuareg: Desert Warrior

as Gacel Sayah

Intimate Agony

as Tommy

St. Elsewhere

as Robert Caldwell

Goliath Awaits

as Peter Cabot

Entertainment Tonight

as Self

Flamingo Road

as Field Carlyle

Flamingo Road

as Fielding Carlyle

The Dream Merchants

as Johnny Edge

240-Robert

as Thib Thibideaux

Beyond the Poseidon Adventure

as Larry Simpson

Comes a Horseman

as Billy Joe Meynert

Centennial

as Captain John McIntosh

Little Mo

as Norman Brinker

Getting Married

as Howie Lesser

Sam

as Mike Breen

The Love Boat

as Doug Bradbury

Eleanor and Franklin: The White House Years

as Robert Dunlap

The Hardy Boys / Nancy Drew Mysteries

All's Fair

Delvecchio

as Ronnie Striker

Laverne & Shirley

Saturday Night Live

as Self - Host

Police Woman

as Stanski

Police Woman

as Paul Donin

Sonic Boom

as Student Controller

Ozzie's Girls

Emergency!

as Ofcr. Dave Gordon

Adam-12

as Officer Gus Corbin

The Tonight Show Starring Johnny Carson

as Self

Hallmark Hall of Fame

as Charles

Golden Globe Awards

as Self - Nominee

Golden Globe Awards

as Self