Cast of D.O.A.

Dennis Quaid plays Dexter Cornell, a English professor who has been poisoned and must solve his own murder.

Meg Ryan portrays Sydney Fuller, a student romantically involved with Dexter Cornell.

Charlotte Rampling appears as Mrs. Fitzwaring, a mysterious woman connected to Dexter Cornell.

Daniel Stern takes on the role of Hal Petersham, a friend of Dexter Cornell.

Jane Kaczmarek plays Gail Cornell, Dexter Cornell's estranged wife.

Christopher Neame portrays Bernard, a shady character involved in the mystery surrounding Dexter Cornell.

Robin Johnson portrays Cookie Fitzwaring, the daughter of Mrs. Fitzwaring.

Robert Knepper appears as Nicholas Lang, a man tied to the events that lead to Dexter Cornell's poisoning.

Jay Patterson plays Graham Corey, another key character in the unraveling mystery.

Brion James portrays Detective Ulmer, involved in the investigation of Dexter Cornell's case.

Jack Kehoe appears as Detective Brockton, working alongside Detective Ulmer on the case.

Elizabeth Arlen plays Elaine Wells, a woman connected to the mysteries surrounding Dexter Cornell.