20 Amazing Marvel Cinematic Universe Cameos You Never Noticed

15. Julie Delpy (Avengers: Age Of Ultron)

A leaked cast list meant that Julie Delpy's Age Of Ultron cameo wasn't exactly a surprise, but who she ended up playing in the sequel most definitely was. There had been some silly speculation that she might be Captain Marvel, but her cameo came in the Black Widow's Scarlet Witch induced nightmare. In that, Delpy played Natasha's twisted trainer in Russia's Red Room, and she could be seen manipulating the youngster for nefarious means.