It (1990)

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

Sling Blade (1995)

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

Clifford's Really Big Movie (2004)

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

Problem Child (1990)

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

Three's Company: Season 01 (1977)

Bride of Chucky (1998)

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

Three's Company: Season 07 (1982)

They All Laughed (1981)

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

Three's Company: Season 06 (1981)

Three's Company: Season 05 (1980)

Real Men (1987)

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

Nuncrackers (2001)

directed by Dan Goggin, David Stern
featuring Rue McClanahan, John Ritter, Semina DeLaurentis, Deborah Del Mastro, Jackson Donalds

Three's Company: Season 04 (1979)

Danielle Steel's 'Heartbeat' (1993)

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

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

Skin Deep (1989)

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

8 Simple Rules: Season 02 (2003)

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

Panic (2000)

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

It Came From the Sky (1999)

directed by Jack Bender
featuring Yasmine Bleeth, Christopher Lloyd, John Ritter, JoBeth Williams, Kevin Zegers

Holy Joe (1999)

directed by Larry Peerce
featuring John Ritter, Meredith Baxter, David Tom, JoAnna Garcia

Shadow of Doubt (1998)

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

Hero at Large (1980)

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

Man of the Year (2003)

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

Manhood (2003)

directed by Bobby Roth
featuring Nestor Carbonell, Janeane Garofalo, John Ritter, Tom Arnold, Bonnie Bedelia