A Scanner Darkly (film) - Cast

Cast

• Keanu Reeves as Bob Arctor / Fred / Bruce. Arctor is an undercover detective who works at the local Police Station. Arctor tries to blend in with his housemates Barris and Luckman, becoming addicted to “Substance D” in the process. As the film progresses Arctor suffers the effects of being addicted to the drug, and his mind breaks down to the point where he can no longer determine what is fact and what is fiction. In his role as detective Fred, Arctor wears a scramble suit to hide his true identity. As part of the rehabilitation program, Arctor is renamed Bruce and put through psychological reconditioning treatments.
• Robert Downey, Jr. as James Barris. Barris is a drug addict who lives with Arctor and Luckman. Barris is manipulative in his behaviour towards the other members of the group and he appears to have his own agenda.
• Woody Harrelson as Ernie Luckman. Luckman is a drug addict who lives with Arctor and Barris. Luckman is the most laid-back member of the group.
• Rory Cochrane as Charles Freck. Freck is a drug addict who lives in his own apartment and associates with the group. Freck has been using “Substance D” either more frequently or for longer periods of time than the other members of the group. At the start of the film he is seen suffering severe side effects. His mental breakdown is quicker than the others’ and, unable to cope, he attempts suicide. Freck's bid fails and he is admitted to New Path for rehabilitation.
• Winona Ryder as Donna Hawthorne / Audrey / Hank. Donna is a low-level drug dealer who supplies Arctor with “Substance D”. At the film's conclusion it is revealed that Donna is really an undercover Police detective named Audrey, who also poses as Arctor's supervisor Hank. Audrey wears a scramble suit while at the Police Station to hide her true identity.