- Actor Allusion: Hey it's Hawkeye using a crossbow!
- Awesome, Dear Boy: The main reason this film was made and why Jeremy Renner was in it.
- Duelling Movies: With Jack the Giant Slayer, another action-adventure film based on a classic fairytale. In box office terms, Hansel and Gretel won by a country mile.
- Fake Nationality:
- English actress Gemma Arterton dons an American accent throughout. Actors' nationalities in the film include Norwegian, Swedish, German, Dutch, British, American and Polish.
- The fairytale itself is German in origin, and no one wants a crowd of people attempting "ze German".
- Money, Dear Boy: Famke Janssen apparently took her role because she desperately needed to pay off her mortgage.
- What Could Have Been: In addition to Hansel having diabetes, Gretel was originally going to have an eating disorder.
Trivia / Hansel & Gretel: Witch Hunters