William Boyd

Hopalong Cassidy

Andy Clyde

California Carlson

Rand Brooks

Lucky Jenkins

Robert Emmett Keane

Professor Dixon

Jane Randolph

Jessie Dixon

Fred 'Snowflake' Toones

Speed

Steve Barclay

Bruce Landy

Harry Cording

Duke

Earle Hodgins

Sandler

Robert Bentley

Barton

William 'Wee Willie' Davis

Blackie

Forbes Murray

Colonel Jed Landy

Glen Gallagher

Lieutenant

Ben Corbett

Sergeant