The Simpsons
Seth (voice)
Mrs. Doubtfire
Justin Gregory
Family Guy
Mr. Harris (voice)
Law & Order: Special Victims Unit
Gideon Hutton
Brooklyn Nine-Nine
Walter Peralta
Two and a Half Men
Russell
Jingle All the Way
D.J.
American Dad!
Father Donovan (voice)
Killers
Holbrook
Community
George Perry
Clue
Colonel Mustard
Arrested Development
Gene Parmesan
The Nanny
Martin Mull
NCIS: Los Angeles
Edward O'Boyle
Sabrina, the Teenage Witch
Willard Kraft
Danny Phantom
Vlad Masters / Vlad Plasmius (voice)
Bob's Burgers
Shopkeeper (voice)
Psych
Highway Harry
The Player
Martin Mull
Dexter's Laboratory
M.A.R. 10 (voice)
Veep
Bob Bradley
Lois & Clark: The New Adventures of Superman
Marlin Pfinch-Lupus
Wonder Woman
Hamlin Rule
The Golden Girls
Jimmy
Roseanne
Leon Carp
A Futile and Stupid Gesture
Modern Doug
Mr. Mom
Ron
The Wild Thornberrys
Dennis Tucker (voice)
The Ranch
Jerry
The Afterparty
Sheriff Reardon
Private School
Drug Store Clerk (uncredited)
Jimmy Kimmel Live!
Self - Guest
Reno 911!
New Dangle - Lieutenant Jim Kringle
The Drew Carey Show
Martin Mull (uncredited)
Taxi
Roger Chapman
Just Shoot Me!
Stan
The Aristocrats
Self
Tim's Vermeer
Himself
Late Show with David Letterman
Self - Guest
Life in Pieces
Gary Timpkins
Cutting Class
William Carson III
My Bodyguard
Mr. L.C. Peache
Reba
Todd, Counselor
Not Dead Yet
Monty Waxberg
Richie Rich's Christmas Wish
Mr. Rich
Franklin & Bash
Judge Gavin Flannigan
The Tonight Show Starring Johnny Carson
Self
The Larry Sanders Show
Martin Mull
Parker Lewis Can't Lose
Mr. Tompkins
L.A. Law
Jerry Schiff
Relative Strangers
Jeffry Morton
Miracle Beach
Donald Burbank
How the West Was Fun
Bart Gafooley
Dads
Crawford Whittemore
'Til Death
Mr. White
A Boyfriend for Christmas
Martin Grant
Maggie
Zach
The War at Home
Principal Fink
America's Funniest Home Videos
Eastwick
Milton Philmont
Bless This Mess
Martin
Dream On
Dr. Klein, Martin's Therapist
Ski Patrol
Maris
Gary Unmarried
Mad Love
Kurt Grabowski
The Wonderful World of Disney
Less than Perfect
Buddy
The Cool Kids
Charlie
The Boss' Wife
Tony Dugdale
Think Big
Dr. Bruekner
Beverly Hills Family Robinson
Doug Robinson
Half & Half
Bob Tyrell
Far Out Man
Psychiatrist
FM
Eric Swan
Get a Life
Sandy Connors
O.C. and Stiggs
Pat Coletti
Take This Job and Shove It
Dick Ebersol
Bad Manners
Warren Fitzpatrick
Mary Hartman, Mary Hartman
Garth Gimble / Barth Gimble
Serial
Harvey
2Everything2Terrible2: Tokyo Drift
(archive footage)
The Late Late Show with Craig Kilborn
Self
Dance with Death
Art
The Ellen Show
Ed Munn
Norm Macdonald Live
Self
Ted & Venus
Ted's Attorney
My Boys
Edie & Pen
Johnnie Sparkle
Square Pegs
The Mike Douglas Show
Self
The Year That Trembled
Wayne Simonelli
The Geena Davis Show
Michael Carolina
Who Done It: The Clue Documentary
Self (archive footage) (uncredited)
Sister Mary Explains It All
Skeptical Husband
The History of White People in America
Host
Rented Lips
Archie Powell
Zack & Reba
Virgil Payne
Come Away Home
Barney
Sunset Limousine
Mel Shaver (uncredited)
Fernwood 2 Night
Barth Gimble
Family Dog
Skip Binsford (voice)
Tall Tales & Legends
Governor Ambrose Peasley
Oliver's Ghost
Clive
Portrait of a White Marriage
Martin Mull
California Girls
Elliot
The Day My Parents Ran Away
Norman Roberts
3-South
Hollywood Squares
Self - Panelist
Laugh-In
Guest Performer
Lots of Luck
Frank Maris
Mr. Write
Dan Barnes
Crumbs
Tom
America 2-Night
Barth Gimble
Life with Bonnie
Lenord
A Different Approach
Home Is Where the Hart Is
Carson Boundy
Twice in a Lifetime
Mark Posey / Ralph Bliss
Cher
Self
Intimate Portrait
Self
And They're Off
Ken Sanders
Flicks
Tang / Arthur Lyle
The History of White People in America: Volume II
Himself - Host
The Jerk, Too
Gambler (uncredited)
Inside Comedy
Self
Teamo Supremo
(voice)
Fast Times
Buck Whitman
Hopeless Pictures
Over the Top
Kristin
Wayne Davenport
Burke's Law
Wayne Hudson
Dinah!
Self
Melons
Mr. Sunnyside
Attention Shoppers
Charles
Danny Phantom: The Ultimate Enemy
Vlad Masters (voice)
Who Is Martin Mull?
Self
Rock Concert
Self
Tom Arnold: The Naked Truth
Self
Jonathan Winters: On the Ledge
Yesterday's Tomorrows
Self
Domestic Life
Martin Crane
His & Hers
Doug Lambert
TV 101
Dwight Kincheloe
The Smothers Brothers Comedy Hour
Self
Daddio
Walter
Magic with the Stars
Self
The Chevy Chase National Humor Test
Sex, Shock & Censorship in the 90's
“Love Thy Neighbor" Host
Martin Mull Live from North Ridgeville, Ohio
Self
The Brown Blues
Himself
The Jackie Thomas Show
Doug Talbot
Presenting Susan Anton
Working Class
Mr. Parker
George Burns Comedy Week
Pecos Bill
Governor Ambrose Peasley
Ha/lf
Grandpa Rich
Twilight Theatre
The Water Is Finally Blue: The Untold Story of Robert Altman's O.C. and Stiggs
Self – Interviewee (voice)
Martin Mull: Talent Takes a Holiday
Self
Grandpa, Will You Run with Me?
Self - Sketch Performer
An All-Star Toast to the Improv
Self
The Tom and Dick Smothers Brothers Special II
Self
Twilight Theater II
Self- Guest
The T.V. Show
The Nick at Nite Holiday Special
Mr. Mull
The General Motors Playwrights Theater
Harvey Doe
