19 Totally Interesting Facts About Old Hollywood That I Guarantee You Never Knew Before

These come straight from a Reddit thread that blew up — a wild mix of studio secrets, celebrity quirks, scandals, and behind-the-scenes chaos from the Golden Age. Here’s the full list:

1. The studios “owned” their actors and could reshape (sometimes literally), mold, and market them however they wanted. Actors couldn’t just switch studios or refuse roles — you’d get blacklisted or fined. Warner Bros. suspended Bette Davis for turning down parts.
2. John Wayne was an extra in Noah’s Ark (1928) and nearly drowned during the flood scene that actually killed three other extras. They just dumped tons of water on the crowd and hoped for the best.
3. Marilyn Monroe had a half-sister named Berniece (from her mother’s side). They discovered each other as teens and stayed close friends until Marilyn’s death. Berniece’s memoir My Sister Marilyn is the only officially sanctioned biography by the estate.
4. Marilyn was close friends with Frank Sinatra, who gifted her a dog she named “Maf” — a cheeky nod to his alleged mafia connections.
5. There was an actual assassination attempt on Charlie Chaplin (the plan changed at the last minute).
6. Charlie Chaplin once entered a Charlie Chaplin lookalike contest at the Ritz Hotel in London… and came in third.
7. The 1925 silent film Ben-Hur was insanely expensive and used thousands of extras (some died during filming). Uncredited extras included Gary Cooper, Clark Gable, Carole Lombard, Myrna Loy, Joan Crawford, the Barrymores, Douglas Fairbanks, Mary Pickford, and the Gish sisters.
8. Hattie McDaniel (first Black Oscar winner for Gone With the Wind) was almost forced out of her Hollywood home by white neighbors. She successfully sued and stayed — she already had her Oscar at the time.
9. Sessue Hayakawa was a massive 1920s sex symbol and former Japanese aristocrat-turned-actor.
10. Hedy Lamarr (the actress) invented the frequency-hopping technology that became the basis for WiFi. The U.S. Navy used it, and Howard Hughes even let her tinker in his lab and redesign his planes’ wings.
11. The Hays Code (infamous for censoring films) at least banned harming animals on screen — one of its few decent ideas.
12. The Hollywood Blacklist was 100% real. Accusations of communism destroyed careers overnight.
13. Marlon Brando kept cue cards scattered all over sets because he could never remember his lines.
14. Old movies used real asbestos as fake snow (including in The Wizard of Oz).
15. Spencer Tracy’s legendary binges: He’d take trains to New York, lock himself in a hotel bathtub with a suitcase of whiskey, and stay there for a week — not even getting out for bathroom breaks.
16. Natalie Wood was secretly dating both Dennis Hopper and director Nicholas Ray while filming Rebel Without a Cause — it caused major drama on set.
17. The legendary feud between Bette Davis and Joan Crawford (detailed in the book Bette and Joan: The Divine Feud).
18. William Randolph Hearst probably shot and killed Thomas Ince (founder of Culver Studios) in a drunken rage on his yacht. They covered it up as a heart attack; Ince’s ghost is now said to haunt the studio.
19. The Hollywood sign originally read “Hollywoodland” until the 1940s. It fell into disrepair (half the letters missing) until the 1970s, when investors — including Hugh Hefner — helped restore it.

What a time capsule! Old Hollywood was equal parts glamour and absolute chaos. Which fact shocked you the most?

(Originally compiled from Reddit r/movies and published on BuzzFeed today. All credit to the original posters and haein_jung!)