Clifford's Really Big Movie (2004) as Clifford
Bad Santa (2003) as Bob Chipeska
Tadpole (2002) as Stanley Grubman
Panic (2000) as Dr. Parks
Tripfall (2000) as Tom Williams
Terror Tract (2000) as Bob Carter
Ed Wood's 'I Woke Up Early The Day I Died.' (1999) as Robert Forrest
It Came From The Sky (1999) as Donald Byers
Bride Of Chucky (1998) as Chief Warren Kincaid
Montana (1998) as Wexler
Nowhere (1997) as Moses Helper
Mercenary (1997) as Jonas Ambler
Sink Or Swim (1997) as Hank
The Colony (1996) as Rick Knowlton
Sling Blade (1996) as Vaughan Cunningham
A Gun, A Car, And A Blonde (1996) as Duncan/The Bartender
North (1994) as Ward Nelson
My Brother's Wife (1994) as Barney Rusher
Noises Off (1992) as Garry Lejeune/Roger Tramplemain
Stay Tuned (1992) as Roy Knable
Hearts Afire (1992) as John Hartman
Problem Child 2 (1991) as Ben Healy
Problem Child (1990) as Ben Healy
Skin Deep (1989) as Zach Hutton
They All Laughed (1981) as Charles Rutledge
Hero At Large (1980) as Steve Nichols
Wholly Moses (1980) as Devil
Americathon (1979) as Chet
Breakfast In Bed (1978) as Paul
Nickelodeon (1976) as Franklin Frank
The Stone Killer (1973) as Hart
The Other (1972) as Rider
The Barefoot Executive (1971) as Roger
Scandalous John (1971) as Wendell

8 Simple Rules as Paul Hennessy
Ally McBeal
Breaking News
Buffy the Vampire Slayer as Ted
Chicago Hope as Joe Dysmerski
Clifford the Big Red Dog as Clifford
Ellen Show as Percy Moss
Family Law as Father Andrews
Felicity
Fish Police as Insp. Gil
Hooperman as Det. Harry Hooperman
Kojak as Kenny
Larry Sanders
Law & Order: Special Victims Unit as Dr. Richard Manning
Love Boat
Mannix as Cliff
Mary Tyler Moore as Rev. Chatfield
MASH as Pvt. Carter
My Adventures in Television as Himself
Rhoda as Jerry
Scrubs as Sam Dorian
Starsky & Hutch
The Associates
Three's a Crowd as Jack Tripper
Three's Company as Jack Tripper
Touched by an Angel
Tucker as Marty
Veronica's Closet
Waltons as Rev. Matthew Fordwick
Wings as Stuart