It (1990)

directed by Tommy Lee Wallace
featuring John Ritter, Richard Thomas, Annette O'Toole, Tim Curry, Harry Anderson

Clifford's Really Big Movie (2004)

directed by Robert C. Ramirez
featuring John Ritter, Wayne Brady, Grey DeLisle, Jenna Elfman, John Goodman

Sling Blade (1995)

directed by Billy Bob Thornton
featuring Billy Bob Thornton, Dwight Yoakam, J.T. Walsh, John Ritter, Lucas Black, Natalie Canerday

Problem Child (1990)

directed by Dennis Dugan
featuring John Ritter, Michael Oliver, Amy Yasbeck, Gilbert Gottfried, Jack Warden

Bride of Chucky (1998)

directed by Ronny Yu
featuring Jennifer Tilly, Katherine Heigl, Nick Stabile, John Ritter, Alexis Arquette

Stay Tuned (1992)

directed by Peter Hyams
featuring John Ritter, Pam Dawber, Jeffrey Jones, David Tom, Heather McComb

Skin Deep (1989)

directed by Blake Edwards
featuring John Ritter, Vincent Gardenia, Alyson Reed, Joel Brooks, Julianne Phillips

Three's Company: Season 01 (1977)

Problem Child 2 (1991)

directed by Brian Levant
featuring John Ritter, Michael Oliver, Amy Yasbeck, Ivyann Schwan, Laraine Newman, Jack Warden

Clifford the Big Red Dog [Animated TV Series] (2000)

Lethal Vows (1999)

Hero at Large (1980)

directed by Martin Davidson
featuring John Ritter, Anne Archer, Bert Convy, Kevin McCarthy, Harry Bellaver

Real Men (1987)

directed by Dennis Feldman
featuring James Belushi, John Ritter, Barbara Barrie, Bill Morey, Iva Andersen

Three's Company: Season 06 (1981)

Danielle Steel's 'Heartbeat' (1993)

directed by Michael Miller
featuring John Ritter, Polly Draper, Kevin Kilner, Michael Lembeck, Nancy Morgan

Panic (2000)

directed by Henry Bromell
featuring William H. Macy, John Ritter, Neve Campbell, Donald Sutherland, Tracey Ullman

They All Laughed (1981)

directed by Peter Bogdanovich
featuring Audrey Hepburn, Ben Gazzara, Dorothy Stratten, Colleen Camp, John Ritter

Evil Roy Slade (1971)

directed by Jerry Paris
featuring Edie Adams, Luana Anders, John Astin, Pamela Austin, Leonard Barr, Milton Berle, Dom DeLuise, Henry Gibson, Penny Marshall, John Ritter, Mickey Rooney, Dick Shawn

Three's Company: Season 04 (1979)

8 Simple Rules: Season 01 (2002)

Three's Company: Season 08 (1983)

Leave Yesterday Behind (1978)

directed by Richard Michaels
featuring Buddy Ebsen, Carrie Fisher, Ed Nelson, John Ritter, Robert Urich

Man of the Year (2003)

directed by Andy Goldberg, Barry Zetlin, David Roy, Jonathan Tydor, Tamara Friedman
featuring John Ritter

Three's Company: Season 07 (1982)

Shadow of Doubt (1998)

directed by Randal Kleiser
featuring Melanie Griffith, Tom Berenger, Craig Sheffer, Huey Lewis, John Ritter, Wade Dominguez, Nina Foch