A Scanner Darkly

Keanu Reeves

Bob Arctor

Robert Downey Jr.

James Barris

Woody Harrelson

Ernie Luckman

Winona Ryder

Donna Hawthorne

Rory Cochrane

Charles Freck

Mitch Baker

Brown Bear Lodge Host

Sean Allen

Additional Fred Scramble Suit Voice (voice)

Cliff Haby

Voice from Headquarters (voice)

Steven Chester Prince

Cop

Natasha Valdez

Waitress

Mark Turner

Additional Hank Scramble Suit Voice (voice)

Chamblee Ferguson

Medical Deputy #2

Angela Rawna

Medical Deputy #1

Eliza Stevens

Arctor's Daughter #1

Sarah Menchaca

Arctor's Daughter #2