Frankenstein (1931) is an American pre-Code science-fiction horror film directed by James Whale and produced by Carl Laemmle Jr. for Universal Pictures. Based on Mary Shelley's 1818 novel Frankenstein; or, The Modern Prometheus, the film stars Colin Clive as Henry Frankenstein, Boris Karloff as the Monster, Mae Clarke as Elizabeth, and John Boles as Victor Moritz. It became one of the most influential horror films in cinema history and established Karloff's Monster as an enduring cultural icon.

Dr. Jekyll and Mr. Hyde (1931) is an American pre-Code horror film directed by Rouben Mamoulian and based on Robert Louis Stevenson's 1886 novella The Strange Case of Dr. Jekyll and Mr. Hyde. The film stars Fredric March in the dual role of Dr. Henry Jekyll and Mr. Hyde, with Miriam Hopkins as Ivy Pearson and Rose Hobart as Muriel Carew. Produced and distributed by Paramount Pictures, it was one of the earliest major sound adaptations of Stevenson's story.

Don Q, Son of Zorro (1925) is an American silent swashbuckler film directed by Donald Crisp and starring Douglas Fairbanks in the dual roles of Don César de Vega and his father, Zorro. Mary Astor co-stars as Dolores de Muro, with Donald Crisp, Warner Oland, Jean Hersholt, and Jack McDonald in supporting roles.

Vengeance Valley (1951) is an American Technicolor Western directed by Richard Thorpe and written by Irving Ravetch, based on the 1950 novel by Luke Short. The film stars Burt Lancaster as Owen Daybright, Robert Walker as Lee Strobie, Joanne Dru as Jen Strobie, Sally Forrest as Lily Fasken, John Ireland as Hub Fasken, and Ray Collins as Arch Strobie. Produced by Nicholas Nayfack for Metro-Goldwyn-Mayer, the film is notable as Burt Lancaster's first Western and for being one of Robert Walker's final MGM films.