I Am Legend - (2007)
Director: Francis Lawrence
Writing Credits: Mark Protosevich, Akiva Goldsman
Starring: Will Smith, Alice Braga, Charlie Tahan, Salli Richardson, Willow Smith, Darrell Foster, April Grace, Dash Mihok

I Am Number Four - (2011)
Director: D.J. Caruso
Writing Credits: Al Gough, Miles Millar, Marti Noxon
Starring: Alex Pettyfer, Timothy Olyphant, Teresa Palmer, Dianna Agron, Kevin Durand,

I Bought a Vampire Motorcycle - (1990)
Director: Dirk Campbell
Writing Credits: Mycal Miller, John Wolskel
Starring: Neil Morrissey, Amanda Noar, Michael Elphick, Anthony Daniels, Andrew Powell, George Rossi, Daniel Peacock, Midge Taylor

I Bury the Living - (1958)
Director: Albert Band
Writing Credits: Louis Garfinkle
Starring: Richard Boone, Theodore Bikel, Peggy Maurer, Robert Osterloh, Herbert Anderson, Howard Smith, Russ Bender

I Dismember Mama - (1974)
Director: Paul Leder
Writing Credits: William W. Norton
Starring: Zooey Hall, Geri Reischl, Joanne Moore Jordan, Greg Mullavy, Marlene Tracy, Frank Whiteman, Elaine Partnow

I Drink Your Blood - (1970)
Director: David E. Durston
Writing Credits: David E. Durston
Starring: Bhaskar Roy Chowdhury, Jadine Wong, Rhonda Fultz, George Patterson, Riley Mills, Jack Damon

I Eat Your Skin - (1964)
Director: Del Tenney
Writing Credits: Del Tenney
Starring: William Joyce, Heather Hewitt, Betty Hyatt Linton, Dan Stapleton, Walter Coy, Robert Stanton

I Hate You - (2004)
Director: Nick Oddo
Writing Credits: Nick Oddo, Marvin W. Schwartz
Starring: Loraine Blasor, Beth Holden, Brooks Hornsby, Sid Kaplan, Carol Lamb, Ray Lamb, Jessica Mutter

I Know What You Did Last Summer - (1997)
Director: Jim Gillespie
Writing Credits: Lois Duncan, Kevin Williamson
Starring: Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe, Freddie Prinze Jr., Bridgette Wilson, Anne Heche, Johnny Galecki, Muse Watson

I Know Who Killed Me - (2007)
Director: Chris Sivertson
Writing Credits: Jeff Hammond
Starring: Lindsay Lohan, Julia Ormond, Neal McDonough, Brian Geraghty, Garcelle Beauvais, Spencer Garrett, Gregory Itzin, Bonnie Aarons, Kenya Moore, Thomas Tofel, Rodney Rowland

I Married a Monster from Outer Space - (1958)
Director: Gene Fowler Jr.
Writing Credits: Louis Vittes
Starring: Tom Tryon, Gloria Talbott, Peter Baldwin, Robert Ivers, Chuck Wassil, Ty Hardin, Ken Lynch, John Eldredge

I Pass for Human - (2004)
Director: Chris D.
Writing Credits: Chris D.
Starring: Joshua Cox, Eleanor Whitledge, Eva Scott, Jennifer Ciesar, E. Shepherd Stevenson, Terri Laird, Bryan Small

I Saw the Devil - (2010)
Director: Ji-woon Kim
Writing Credits: Ji-woon Kim
Starring: Byung-hun Lee, Min-sik Choi

I Saw What You Did and I Know Who You Are! - (1965)
Director: William Castle
Writing Credits: Ursula Curtiss, William P. McGivern
Starring: Joan Crawford, John Ireland, Leif Erickson, Sara Lane, Andi Garrett, Sharyl Locke, Patricia Breslin

I Sell the Dead - (2009)
Director: Glenn McQuaid
Writing Credits: Glenn McQuaid
Starring: Dominic Monaghan, Ron Perlman, Larry Fessenden, Angus Scrimm, John Speredakos, Eileen Colgan, Brenda Cooney

I Spit On Your Corpse - (1974)
Director: Al Adamson
Writing Credits:
Starring: Georgina Spelvin, Susan McIver, Rosalind Miles, Kent Taylor, Preston Pierce, Robert Livingston