01. For the role of Cobb Christopher Nolan and Emma Thomas’s only choice was Leonardo DiCaprio.
02. Inception is Leonardo DiCaprio’s highest rated movie on IMDb.
03. Leonardo DiCaprio and Tom Hardy come together again to work in The Revenant (2015), but playing enemies in this movie. Leonardo DiCaprio convinced Tom Hardy to do the movie with him.
04. Hans Zimmer composed the theme music for the movie is named TIME.
05. Mal (Marion Cotillard) and Miles (Michael Caine) are the only characters that call Dom Cobb by his first name.
06. Michael Caine, Cillian Murphy, Joseph Gordon-Levitt, Tom Hardy and Marion Cotillard come together to work again with Christopher Nolan in The Dark Knight Rises (2012).
07. Christopher Nolan took ten years to write screenplay for this movie.
08. Christopher Nolan’s first choice for the role of Peter Browning was Don Johnson. But Don Johnson denied.
09. Inception is the forth of six Christopher Nolan movies in which Michael Caine wacted. The other movies are:- Batman Begins in 2005, The Prestige in 2006, The Dark Knight in 2008, The Dark Knight Rises in 2012, Interstellar in 2014.
10. Christopher Nolan’s first choice to play Ariadne was Evan Rachel Wood but she denied. Nolan approached Emily Blunt, Rachel McAdams, Emma Roberts, Jessy Schram, Taylor Swift and Carey Mulligan before Ellen Page accepted the role.