D.O.A. (film) College professor Dexter Cornwell discovers he has been poisoned by a fatal, slow-acting toxin, and he has only 24 hours to unravel the mystery of his imminent demise. Enlisting the aid of Sydney Fuller, a naive student who has a crush on him, he soon becomes enmeshed in a series of murders as he attempts to find out who killed him—and why. Released on March 18, 1988. Directed by Rocky Morton and Annabel Jankel. A Touchstone film. 100 min. Stars Dennis Quaid (Dexter Cornell), Meg Ryan (Sydney Fuller), Daniel Stern (Hal Petersham), Charlotte Rampling (Mrs. Fitzwaring). Filmed on location in and around Austin, Texas. Released on video in 1988 and 1990.