Renfrew of the Royal Mounted

James Newill

RCMP Sgt. Renfrew

Carol Hughes

Virginia Bronson

William Royle

George Poulis

Kenneth Harlan

Roger 'Angel' Carroll

Dickie Jones

Tommy MacDonald

Chief Thundercloud

Indian henchman

William Austin

Constable Holly

Donald Reed

Constable MacDonald

Lightning the German Shepherd

Lightning, Renfrew's Dog

Herbert Corthell

James Bronson