Riven

Brian Keith

as William Dunn

Ben Johnson

as George Bradley

John Beal

as Maj. John Wesley Powell

James Drury

as Walter Powell

R.G. Armstrong

as Oramel Howland

L.Q. Jones

as Billy Hawkins

Dan Sheridan

as Jack Sumner

Stan Jones

as Seneca Howland

David Frankham

as Frank Goodman

Roy Barcroft

as Jim Baker

Jack Big Head

as Ashtishkel

Pat Hogan

as Indian chief

Dawn Little Sky

as Indian woman

David Stollery

as Andrew 'Andy' Hall

Ray Walker

as

William Beaudine

Director