Return Trip on the Orient Express

THE DETECTIVE - Kenneth Branagh plays Hercule Poirot - Detective M. Poirot hurries to catch the Orient Express on its way to England. It is on this train that the murder occurs, and Hercule Poirot must solve the mystery. Hercule Poirot is a short, small man with a large, curled mustache. He has green eyes like a cat's which he uses to find clues! He is Belgian. Previously played by Albert Finney, Peter Ustinov, Alfred Molina and David Suchet

THE FUGITIVE - Johnny Depp plays Ratchett - Depp plays a rich businessman with dark secrets. "He's paranoid, haunted and lethal," says director Branagh. "Rachett is a very dangerous man." Previously played by Richard Widmark, Peter Strauss and Toby Jones

THE TOURIST - Michelle Pfeiffer plays Caroline Hubbard - "She is a busybody--into everybody's business." Pfeiffer says. "One might describe her as the Ugly American." Previously played by Lauren Bacall, Meredith Baxter and Barbara Hershey

THE ARISTOCRAT - Judi Dench plays Princess Dragomiroff - The Dame portrays a Russian who, Branagh says, "plays at being helpless but makes you feel there is more to her than meets the eye." Previously played by Wendy Hiller, Leslie Caron and Eileen Atkins

THE PHYSICIAN - Leslie Odom Jr. plays Dr. Arbuthnot - "You believe your life should be safe in his hands," Branagh says of the doctor and war vet. But? "He may or may not be what he seems." Previously played by Sean Connery, David Hunt and David Morrissey

THE GOVERNESS - Daisy Ridley plays Mary Debenham - Ridley's character is independent-minded and in a relationship with Dr. Arbuthnot. "She's pretty forward-thinking," says the actress. Previously played by Vanessa Redgrave, Natasha Wightman and Jessica Chastain

THE ASSISTANT - Josh Gad plays Hector MacQueen - MacQueen works for Depp's character. "I'm a numbers guy and that comes in handy," Gad says. "But there's a lot going on beneath that." Previously played by Anthony Perkins, Adam James and Brian J. Smith

THE MISSIONARY - Penélope Cruz plays Pilar Extravados - "She describes herself as a missionary." Branagh says. "But she's got hands like a boxer's and is no stranger to the rougher parts of the world." Previously played by Ingrid Bergman and Marie-Josée Croze

THE MAID - Olivia Colman plays Hildegarde Schmidt - She is the put-upon maid of Princess Dragomiroff," Branagh says. "But she is a highly observant individual who surprises Poirot." Previously played by Rachel Roberts and Susanne Lothar

THE VALET - Derek Jacobi plays Edward Masterman - Jacobi plays Ratchett's butler, who has a spiky relationship with his boss. "He's a capable fellow and holds his cards close to his chest," Branagh says. Previously played by John Geilgud and Hugh Bonneville

THE SCHOLAR - Willem Dafoe plays Gerhard Hardman - The onetime Green Goblin plays an Austrian professor. "He is furtive and appears to be armed in a number of ways," Branagh says. Previously played by Colin Blakely

THE DANCER - Sergei Polunin plays Count Andrenyi - The count is portrayed by former British Royal Ballet star Polunin. "The character is a dancer," Branagh says, but one who is "no stranger to violence." Previously played by Michael York, Kai Wiesinger and Stanley Weber

THE ADDICT - Lucy Boynton plays Countess Andrenyi - Branagh says Andrenyi's wife is "a figure shrouded in mystery, who may be addicted to substances she uses to keep the world at bay." Previously played by Jacqueline Bisset, Amira Casar and Elena Statine

THE BUSINESSMAN - Manuel Garcia-Rulfo plays Biniamino Marquez - A poor Cuban immigrant-turned-proud American citizen, Marquez now owns several car dealerships. Previously played by Denis Quilley, Dylan Smith and Joseph Mawle

THE ATTENDANT - Marwan Kenzari plays Pierre Michel - "He works for the train company," screenwriter Michael Green says, "making sure the train runs smoothly and the passengers are in first-class comfort." Previously played by Jean-Pierre Cassel, Nicolas Chagrin and Denis Ménochet

THE DIRECTOR - Tom Bateman plays Bouc - The louche director of the train company and a friend of Poirot's. "He fancies himself a romantic and would flirt with a drainpipe," says screenwriter Green. Previously played by Martin Balsam, Fritz Wepper and Serge Hazanavicius