William Katt

House

Walter

JAG

James Merrick

Diagnosis: Murder

Roland Spear

The Merv Griffin Show

Self

Heroes

Jim McCann

Batman: The Brave and the Bold

Hawkman (voice)

Murder, She Wrote

Derek Hartman

M*A*S*H

P.F.C.

Numb3rs

Sven Regal

Supergirl

Minister

Ironside

Jimmy

Batman: The Animated Series

Zowie (voice)

Animaniacs

Dr. Roma (voice)

Emergency!

Wally Lytton

Walker, Texas Ranger

Keith Portman

Police Woman

Martin Wadsworth

Andromeda

Eddie Aldrich

7th Heaven

Will Grayson

The New Alfred Hitchcock Presents

Dr. Burke

The Rookies

Gunsmoke

Lonnie Weeks

Cybill

Kojak

Carey Nysrom

Viper

Arno Krafft

The Hunger

James

Justice League

Green Guardsman (voice)

Vicki!

Self - Guest

Son of the Beach

The Greatest American Hero

Ralph Hinkley

Faerie Tale Theatre

The Flower Prince

Burke's Law

Brian Cobham

Carrie

Tommy Ross

Models Inc.

The Man from Earth

Art

Good Sports

Nick Calder

Jawbreaker

Mr. Purr

Rough Riders

Edward Marshall

House

Roger Cobb

The Man from Earth: Holocene

Art

Super

Sgt. Fitzgibbon

Problem Child 3

Ben Healy

Mirrors 2

Jack Matheson

The 2nd

Senator Bob Jeffers

Perry Mason Returns

Paul Drake

Top of the Hill

The Other Side of the Wind

Man in Bathroom Stall

Big Wednesday

Jack Barlow

Baby: Secret of the Lost Legend

George Loomis

House IV

Roger Cobb

Cyborg 3: The Recycler

Decaf

Bone Eater

Dr. Boombas

Pursuit

Taye Biggs

Pure Country 2: The Gift

Winter

Butch and Sundance: The Early Days

Sundance Kid

Piranha

Paul Grogan

When We Get There

Bob

Acting 'Carrie'

Self

AVH: Alien vs. Hunter

Lee

Paranormal Movie

Houseguest Bill

Perry Mason Returns

Paul Drake Jr.

Perry Mason: The Case of the Lost Love

Paul Drake Jr.

Perry Mason: The Case of the Notorious Nun

Paul Drake Jr.

Sparks

Matanza

Perry Mason: The Case of the Shooting Star

Paul Drake, Jr.

The Paperboy

Brian

Daddy's Girl

Don Mitchell

Perry Mason: The Case of the Lady in the Lake

Paul Drake, Jr.

Kung Fu

Andy

Stranger by Night

Troy Rooney

Big Game

Dave

Chita Rivera: A Lot Of Livin' To Do

Self (archive footage)

Subterranea

Mockenrue

Circuit

Gino

Perry Mason: The Case of the Sinister Spirit

Paul Drake Jr.

The Christmas High Note

Dennis

Fangoria's Weekend of Horrors

Self

The Failing of Raymond

Harold (uncredited)

The Trackers

Davey Paxton

Catch Me If You Can

Jean Benoit

River's End

Ed Kennedy

River's End

Director

Mystery Woman: Game Time

Donald Fiske

Perry Mason: The Case of the Murdered Madam

Paul Drake Jr.

The Secret Lives of Dorks

Mr. Gibson

Twin Falls Idaho

Surgeon

The Clean and Narrow

George

The Clean and Narrow

Director

The Clean and Narrow

Writer

Perry Mason: The Case of the Avenging Ace

Paul Drake Jr.

Gentle Ben

Gittis Malone

Double X: The Name of the Game

Michael Cooper

Can Ellen Be Saved?

Bob

Perry Mason: The Case of the Scandalous Scoundrel

Paul Drake Jr.

The Daughters of Joshua Cabe

Billy Jack

First Love

Elgin Smith

Determination of Death

John Logan

Deadland

Shiv

Mother Teresa: In the Name of God's Poor

Harry Harper

Wedding Band

Marshall Roman

The Rainmaker

Jimmy Curry

Snake Island

Malcolm Page

Overrun

Detective Ed Dobbs

Ding Dong, You're Dead! The Making of "House"

Naked Obsession

Franklyn Carlysle

Night Chase

Marine Private

Gamers

Reese's Boss

Pippin

Pippin

Sweetwater

Dean Taylor

Last Call

Paul Avery

Beautiful Loser

Father Hume

Hyacinth

Andy Gillis

The Encore of Tony Duran

Art Smith

Tollbooth

Waggy

Thumbelina

The Flower Prince

White Ghost

Steve Shepard

Descendant

Dr. Tom Murray

Descendant

Screenplay

Devil's Food

Andrew Burns

Home Deadly Home: The Making of "House IV"

The Unwanted

Troy

Distant Cousins

Richard Sullivan

The Late Liz

Peter Addams (as Bill Katt)

Rattled

Paul Donohue

Swimsuit

Brian Rutledge

Earthling

Ryan Donnelly

Crusty Demons 18: Twenty Years of Fear

Narrator

.357

Smalls

Romantic Undertaking

Richard Tennant

More Acting 'Carrie'

Self

Americanski Blues

Dr. Dell Davis