Buck: A large, intelligent and well-bred dog.
Spitz: A cruel lead sled dog.
Curley: A good-natured Newfoundland.
Dave: A member of the team.
Sol-leks: A member of the team.
Billie: A member of the team.
Joe: A member of the team.
Dub: A member of the team.
Dolly: A member of the team.
Skeet: A dog that is owned by John Thornton.
Nig: A dog that is owned by John Thornton.
John Thornton: Buck’s master.
Lone Wolf: The wild counterpart of Buck.
Judge Miller: The original owner of Buck.
Manuel: A worker on Judge Miller’s estate.
Red sweater: He is a ruthless man and thinks that a dog need to be beaten in order to be properly disciplined.
Francois: A Canadian Frenchman who is the original dogsled driver.
Perrault: An agent of the Canadian government.
Hal: The man who purchases Buck and his team after they are no longer useful to the government.
Charles: Hal’s brother-in-law.
Mercedes: Hal’s sister and Charles’ wife.
John Thornton: The man who rescues Buck from Hal’s cruelty.
Pete, Hans: John’s partners.
“Black” Burton: Man in the bar.
Matthewson: Man who bets John that Buck is not capable of performing.
Jim O’Brien: Man who loans John money.
Yeehats: The group of Valley Indians.
From: StudyWorld Study Notes, Call of the Wild