Big Finish Productions | Hammer Film Productions | Tiger Aspect Productions | Baby Cow Productions | Kenneth Cole Productions | Desilu Productions | Tsuburaya Productions | Tandem Productions | Icon Productions | Eon Productions | Top Shelf Productions | STV Productions | Harpo Productions | Crawford Productions | Whirlpool Productions | Scott Free Productions | Play Loud! Productions | Mirvish Productions' | Mirvish Productions | Merchant Ivory Productions | JAM Creative Productions | Fantasy Productions | CNS Productions | Bray Productions | Union Carbide Productions | Top Cow Productions | Seven Arts Productions | Morgan Creek Productions | King World Productions | Jay Ward Productions |
Alperson's last film of note was acquiring the film rights to Irma La Douce for Mirisch Productions that was filmed in 1963 by Billy Wilder but without the music.
A 1966 Mirisch Productions World War I war film with the title starring Gregory Peck and Ian McKellen, directed by David Miller with a screenplay by Roald Dahl was abandoned after 5 weeks filming in Switzerland.