Richard Arlen

Capt. Robert Lawrence

Andy Devine

Slim Collins

Constance Moore

Helen Bailey

Noah Beery

Captain of the 'Blackhawk'

Guinn 'Big Boy' Williams

Blake - the First Mate

Mala

Wani - Native Slave Leader

Thurston Hall

Sam Bailey

Paul Fix

Jock - a Sailor

Richard Lane

Kit Carson

Mabel Albertson

The Widow

Charles Trowbridge

Gen. Fremont

Byron Foulger

Coombs - a Sailor

Eddy Waller

Parson

Mamo Clark

Mamo

Budd Buster

Settler Joe

Harry Cording

Bos'un

Jim Farley

Ship's Officer

Martin Faust

Helmsman

Martín Garralaga

Tenen Holtz

Edward LeSaint

Leader of Protesting Settlers

George Lloyd

Ship's Officer

Murdock MacQuarrie

Bill - a Settler

James C. Morton

Ship's Cook

Charles Murphy

(uncredited)

Edwin Stanley

Chief of Army Intelligence

Luana Walters