Allan Corduner (Hercule Poirot), Veanne Cox (Princess Dragomiroff), Maboud Ebrahimzadeh (Michel the Conductor/Head Waiter), Julie Halston (Helen Hubbard), Susannah Hoffman (Mary Debenham), Alexandra Silber (Countess Andrenyi), Juha Sorola (Hector MacQueen), Samantha Steinmetz (Greta Ohlsson), Max von Essen (Colonel Arbuthnot/Samuel Ratchett), Evan Zes (Monsieur Bouc), Ivy Cordle (Daisy Armstrong), Travis James (Porter/Army Officer)