The MLA Handbook (8th ed.) provides an example on page 44 for film or television:
"Hush." 1999. Buffy the Vampire Slayer: The complete Fourth Season, created by Joss Whedon, performance by Sarah Michell Gellar, episode 10, Twentieth Century Fox, 2003, disc 3.
Here is the general format for movies:
Title of the Movie, created by Director's Name, performance by Lead Actor's Name, Studio, Release Date of DVD.
