- Ben Mendelsohn previously worked with Ryan Fleck and Anna Boden in Mississippi Grind.
- Ben Mendelsohn previously worked with Jude Law in Black Sea.
- Ben Mendelsohn previously worked with Mckenna Grace and Hannah John-Kamen in Ready Player One.
- Ben Mendelsohn is one of the actors to portray characters for both Marvel Studios and DC Entertainment. He portrayed John Daggett in The Dark Knight Rises.
- Ben Mendelsohn shares his birthday with Cobie Smulders.