William Katt
- Compleanno:
- 02/16/1951
- Luogo di nascita:
- Los Angeles, California, USA:
 | Pursuit (2022) Taye Biggs |
 | Overrun (2021) Detective Ed Dobbs |
 | The 2nd (2020) Senator Bob Jeffers |
 | The Christmas High Note (2020) Dennis |
 | The Other Side of the Wind (2018) Man in Bathroom Stall |
 | The Man from Earth: Holocene (2017) Art |
 | Ding Dong, You're Dead! The Making of "House" (2017) |
 | Home Deadly Home: The Making of "House IV" (2017) |
 | Chita Rivera: A Lot Of Livin' To Do (2015) Self (archive footage) |
 | Crusty Demons 18: Twenty Years of Fear (2015) Narrator |
 | Subterranea (2015) Mockenrue |
 | The Unwanted (2014) Troy |
 | The Secret Lives of Dorks (2013) Mr. Gibson |
 | Paranormal Movie (2013) Houseguest Bill |
 | .357 (2013) Smalls |
 | Sparks (2013) Matanza |
 | Sweetwater (2012) Dean Taylor |
 | Earthling (2011) Ryan Donnelly |
 | The Encore of Tony Duran (2011) Art Smith |
 | Super (2010) Sgt. Fitzgibbon |
 | Mirrors 2 (2010) Jack Matheson |
 | Pure Country 2: The Gift (2010) Winter |
 | Beautiful Loser (2009) Father Hume |
 | Deadland (2009) Shiv |
 | Big Game (2008) Dave |
 | The Bone Eater (2008) Dr. Boombas |
 | AVH: Alien vs. Hunter (2007) Lee |
 | The Man from Earth (2007) Art |
 | Mystery Woman: Game Time (2005) Donald Fiske |
 | River's End (2005) Ed Kennedy |
 | Descendant (2003) Dr. Tom Murray |
 | Snake Island (2002) Malcolm Page |
 | Gentle Ben (2002) Gittis Malone |
 | Circuit (2001) Gino |
 | Acting 'Carrie' (2001) Self |
 | Determination of Death (2001) John Logan |
 | The Clean and Narrow (2000) George |
 | Twin Falls Idaho (1999) Surgeon |
 | Jawbreaker (1999) Mr. Purr |
 | Catch Me If You Can (1998) Jean Benoit |
 | Hyacinth (1998) Andy Gillis |
 | Mother Teresa: In the Name of God's Poor (1997) Harry Harper |
 | Daddy's Girl (1996) Don Mitchell |
 | Rattled (1996) Paul Donohue |
 | Romantic Undertaking (1996) Richard Tennant |
 | Cyborg 3: The Recycler (1995) Decaf |
 | Piranha (1995) Paul Grogan |
 | Americanski Blues (1995) Dr. Dell Davis |
 | Problem Child 3 (1995) Ben Healy |
 | Stranger by Night (1994) Troy Rooney |
 | The Paperboy (1994) Brian |
| | Tollbooth (1994) Waggy |
 | Distant Cousins (1993) Richard Sullivan |
 | Double X: The Name of the Game (1992) Michael Cooper |
 | House IV (1992) Roger Cobb |
 | Last Call (1991) Paul Avery |
 | Naked Obsession (1990) Franklyn Carlysle |
 | Wedding Band (1990) Marshall Roman |
 | Swimsuit (1989) Brian |
 | White Ghost (1988) Steve Shepard |
 | Perry Mason: The Case of the Lady in the Lake (1988) Paul Drake, Jr. |
 | Perry Mason: The Case of the Avenging Ace (1988) Paul Drake Jr. |
 | Perry Mason: The Case of the Scandalous Scoundrel (1987) Paul Drake Jr. |
 | Perry Mason: The Case of the Murdered Madam (1987) Paul Drake Jr. |
| | Perry Mason: The Case of the Sinister Spirit (1987) Paul Drake Jr. |
 | Perry Mason: The Case of the Lost Love (1987) Paul Drake Jr. |
 | Perry Mason: The Case of the Shooting Star (1986) Paul Drake, Jr. |
 | Perry Mason: The Case of the Notorious Nun (1986) Paul Drake Jr. |
 | Fangoria's Weekend of Horrors (1986) Self |
 | House (1985) Roger Cobb |
| | Perry Mason Returns (1985) Paul Drake Jr. |
 | Baby: Secret of the Lost Legend (1985) George Loomis |
 | Thumbelina (1984) The Flower Prince |
 | The Rainmaker (1982) Jimmy Curry |
 | Pippin (1981) Pippin |
 | Butch and Sundance: The Early Days (1979) Sundance Kid |
 | Big Wednesday (1978) Jack Barlow |
 | First Love (1977) Elgin Smith |
 | Carrie (1976) Tommy Ross |
 | Can Ellen Be Saved? (1974) Bob |
 | The Daughters of Joshua Cabe (1972) Billy Jack |
 | The Trackers (1971) Davey Paxton |
 | The Failing of Raymond (1971) Harold (uncredited) |
 | The Late Liz (1971) Peter Addams (as Bill Katt) |
 | Night Chase (1970) Marine Private |
| | When We Get There Bob |