Leonardo DiCaprio (Jordan Belfort), Jonah Hill (Donnie Azoff), Margot Robbie (Naomi Lapaglia), Matthew McConaughey (Mark Hanna), Jon Bernthal (Brad), Kenneth Choi (Chester Ming), P.J. Byrne (Nicky Koskoff), Jon Favreau (Manny Riskin), Ethan Suplee (Toby Welch), Henry Zebrowski (Alden Kupferberg), Shea Whigham (Captain Ted Beecham), Kyle Chandler (Agent Patrick Denham), Rob Reiner (Max Belfort), Rizwan Manji (Kalil), Robert Clohessy (Nolan Drager), Joanna Lumley (Tante Emma), Stephen Kunken (Jerry Fogel), Fran Lebowitz (Honorary Samantha Stogel), Aya Cash (Janet), J.C. MacKenzie (Lucas Solomon), Cristin Milioti (Teresa Petrillo), Christine Ebersole (Leah Belfort), Stephanie Kurtzuba (Kimmie Belzer), Ashlie Atkinson (Rochelle Applebaum), Brian Sacca (Robbie Feinberg), Ted Griffin (Agent Hughes), Katarina Cas (Chantalle), Jon Spinogatti (Nicholas der Butler), Jake Hoffman (Steve Madden), Jean Dujardin (Jean Jacques Saurel), Sandra Nelson (Aliyah Farran)