Ten Who Dared

Brian Keith

William Dunn

Ben Johnson

George Bradley

John Beal

Maj. John Wesley Powell

James Drury

Walter Powell

R.G. Armstrong

Oramel Howland

L.Q. Jones

Billy Hawkins

?

Dan Sheridan

Jack Sumner

Stan Jones

Seneca Howland

David Frankham

Frank Goodman

Roy Barcroft

Jim Baker

Jack Big Head

Ashtishkel

Pat Hogan

Indian chief

?

Dawn Little Sky

Indian woman

David Stollery

Andrew 'Andy' Hall

Ray Walker

McSpadden (uncredited)