Robert Duvall as Gruen

Treat Williams as D.B. Cooper

Kathryn Harrold as Hannah

Ed Flanders as Brigadier

Paul Gleason as Remson

R.G. Armstrong as Dempsey

Dorothy Fielding as Denise

Howard K. Smith as Howard K. Smith

Karen Newhouse as Girl Friend in Stream

Nicolas Coster as Avery

Cooper Huckabee as Homer

Christopher Curry as Hippie

Ramon Chavez as El Capitan

Stacy Newton as Cowboy

Pat Ast as Horse Lady

Jack Dunlap as Drinking Buddy

Brad Sergi as Drinking Buddy

Michael Potter as Pilot

Charles Benton as Sharpshooter

Mike Casper as Bomb Squad

James Lee as Bomb Squad

Henry Kendrick as FBI Agent

James Wiers as FBI Agent

Marc Jeffreys as FBI Agent

D.G. Smilnak as FBI Agent

David Adams as FBI Interviewer

Charles Haigh as Navigator

Stephen Blood as Co-Pilot

Tommy Ciulla as Boy Friend in Stream

Richard Brown as Crop Duster Man

Michael O’Hare as Car Owner

Robert Sola as Ranger

Tom D. May as Copter Pilot

Sanford Gibbons as State Trooper

Lynn Radcliffe as Cop at Luncheonette

Mearl Ross as Indian Father

Patrick Garcia as Indian Boy

Gregory Suke as Indian Boy

Jessica Garcia as Indian Girl

Leigh Webb as Bartender

Jim Clouse as Saloon Man

David Falkosky as Saloon Man

John Herold as Saloon Man

Bill Townsend as Saloon Player

Christine Dolny as Child

Michael Goodsite as Child

Glenda Young as Avery's Secretary

Dave Gilbert as Person-on-the-Street

Bill Wittman as Person-on-the-Street

Conrad Marshall as Person-on-the-Street

Marsoupial as Possum

Diane Baldessari as Waitress (uncredited)

Roy Lewis Garton as Airline Passenger (uncredited)

Cliff Owens as Kid at Hamburger Stand (uncredited)

John Richard Petersen as Paramedic (uncredited)