Peter Ustinov as Hercule Poirot

Tony Curtis as Charles Cartwright

Emma Samms as Egg

Jonathan Cecil as Capt. Arthur Hastings

Fernando Allende as Ricardo Montoya

Pedro Armendáriz Jr. as Col. Mateo

Lisa Eichhorn as Cynthia Dayton

Dana Elcar as Dr. Strange

Frances Lee McCain as Miss Milray

Marian Mercer as Daisy Eastman

Diana Muldaur as Angela Stafford

Nicholas Pryor as Freddie Dayton

Concetta Tomei as Janet Crisp

Jacqueline Evans as Mrs. Babbington

Ángeles González as Housekeeper

Philip Guilmant as Reverend Babbington

Claudia Guzmán as Rosa

Rodolfo Hernández as Miguel

Martin LaSalle as Doctor

Alma Levy as Nurse

Julio Monterde as Manager

René Pereyra as Waiter

José Chávez as Watchman