François Cluzet (Jean-Pierre Werner), Marianne Denicourt (Nathalie Delezia), Isabelle Sadoyan (Madre di Werner), Félix Moati (Vincent Werner), Christophe Odent (Norès), Patrick Descamps (Maroini), Guy Faucher (Sig. Sorlin), Margaux Fabre (Ninon), Julien Lucas (Fidanzato di Ninon), Yohann Goetzmann (Alexis), Josée Laprun (Madre di Alexis)

Jorge Machado (Jorge), Roberta Palombini (Roberta), Natan Machado Palombini (Natan), Nestór Marín (Matraca), Wild Egret (Blanquita)

Monica Bellucci - Sposa, Emir Kusturica - Kosta, Predrag Manojlovic (Miki Manojlovic) - Zaga Bojovic, Sloboda Micalovic - Milena

Amy Adams (Susan Morrow), Jake Gyllenhaal ( Tony Hastings), Isla Fisher (Laura Hastings), Aaron Taylor-Johnson(Ray Marcus), Armie Hammer(Walker Morrow), Michael Shannon(Bobby Andes), Laura Linney(Anne Sutton), Karl Glusman(Lou)

Chris Pratt - Peter Quill/Star-Lord, Zoe Saldana - Gamora, Dave Bautista - Drax, Michael Rooker - Yondu, Karen Gillan - Nebula, Pom Klementieff - Mantis, Elizabeth Debicki - Ayesha, Chris Sullivan - Taserface, Sean Gunn - Kraglin, Tommy Flanagan - Tullk, Laura Haddock - Meredith Quill, Sylvester Stallone - Stakar, Kurt Russell - Ego, Glenn Close - Nova Prime, Nathan Fillion - Simon Williams

Salvo Ficarra (Salvo), Valentino Picone (Valentino), Leo Gullotta (Padre Raffaele), Vincenzo Amato (Pierpaolo Natoli), Tony Sperandeo (Gaetano Patanè), Sergio Friscia (Vigile Gianni), Antonio Catania (Vigile Michele), Eleonora De Luca (Betti), Ersilia Lombardo (Francesca), Alessia D'Anna (Maria), Francesco Benigno (Parcheggiatore abusivo)

Gaspard Ulliel - Louis, Nathalie Baye - Madre, Léa Seydoux - Suzanne, Vincent Cassel - Antoine, Marion Cotillard - Catherine

Omar Sy - Samuel, Clémence Poésy - Kristin, Antoine Bertrand - Bernie, Gloria Colston - Gloria, Ashley Walters - Lowell, Raphael Von Blumenthal - Tom, Clémentine Célarié - Samantha, Anna Cottis - Miss Appleton, Raquel Cassidy - Maestra di Gloria, Howard Crossley - Giudice, Ruben Alves - Cameriere, Anabel Lopez - Jenny, Alice David - Ragazza, Mona Walravens - Ragazza, Cécile Cassel - Lila, Antoine Gouy - Steward, Guillaume Bouchède - Steward

Alex R. Hibbert - Chiron bambino, Ashton Sanders - Chiron adolescente, Trevante Rhodes - Chiron adulto, Mahershala Ali (Mahershalalhashbaz Ali) - Juan, Naomie Harris - Paula, Janelle Monáe - Teresa, André Holland - Kevin, Jharrel Jerome - Kevin adolescente, Jaden Piner - Kevin bambino, Larry Anderson - Antwon, Herveline Moncion - Samantha, Don Seward - Tip, Patrick Decile - Terrel, Tanisha Cidel - Williams, Shariff Earp - Terrence, Duan'Sandy' Sanderson - Azu, Stephon Bron - Travis, Edson Jean - Sig. Pierce, Fransley Hyppolite - Pizzo, Rudi Goblen U- Gee

Emma Watson - Mae Holland, Tom Hanks - Eamon Bailey, John Boyega - Ty, Karen Gillan - Annie, Ellar Coltrane - Mercer, Patton Oswalt - Tom Stenton, Glenne Headly - Bonnie, Bill Paxton - Vinnie, Ellen Wong - Renata, Elvy Yost - Sabine, Nate Corddry - Dan, Poorna Jagannathan - Dott. Villalobos, Fred Koehler - Kevin, Eve Gordon - Senatrice Williamson, Amir Talai - Matt, Mamoudou Athie - Jared, Nicola Bertram - Fiona Highbridge, Lauren Baldwin - Gretchen, Amie McCarthy-Winn - Marion, Beck - Se stesso, Smith Cho - Gina, Judy Reyes - Santos, Julian von Nagel - Julian

Will Smith (Howard), Edward Norton (Whit), Kate Winslet (Claire), Michael Peña (Simon), Naomie Harris (Madeleine), Keira Knightley (Amy), Jacob Latimore (Raffi), Ann Dowd (Sally Price), Jimmy Palumbo (Super), Liza Colón-Zayas

Ambra Angiolini (Greta), Cristiana Capotondi (Isabella), Fiorella Mannoia (Ornella), Maria Nazionale (Angela), Violante Placido (Marianna), Clémence Poésy (Hira), Sabine Timoteo (Micaela), Ottavia Piccolo (Bianca), Anne Consigny (M. Rochette), Michele Placido, Luisa Cattaneo (Sandra), Erika D'Ambrosio (Alice), Balkissa Maiga (Kidal), Bruno Cariello, Lee Colbert, Mimma Lovoi, Donato Placido, Gerardo Placido (Gerardo Amato)

Oscar Martínez (Daniel Mantovani), Dady Brieva (Antonio), Andrea Frigerio (II) (Irene), Nora Navas (Nuria), Manuel Vicente (Intendente), Belén Chavanne (Julia), Gustavo Garzón (Gerardo Palacios), Julián Larquier (Julián Larquier Tellarini) (Concierge), Emma Rivera (Emilse), Marcelo D'Andrea (Florencio Romero), Pablo Gatti

Armie Hammer (Mike Stevens), Annabelle Wallis (Jenny), Tom Cullen (Tommy Madison), Clint Dyer (Berbero), Geoff Bell (Padre di Mike), Juliet Aubrey (Madre di Mike)

Amy Adams (Dott.ssa Louise Banks), Jeremy Renner (Ian Donnelly), Forest Whitaker (Colonnello Weber), Michael Stuhlbarg (Agente Halpern), Mark O'Brien (II) (Capitano Marks), Tzi Ma (Generale Shang), Abigail Pniowsky (Hannah a 8 anni), Julia Scarlett Dan (Hannah a 12 anni), Jadyn Malone (Hannah a 6 anni), Frank Schorpion (Dott. Kettler), Lucas Chartier-Dessert (Lasky), Christian Jadah (Combs), Sonia Vigneault (Dott.ssa J. Bydwell), Mark Camacho (Richard Riley), Larry Day (Dan Ryder, ufficale della CIA)