A simple-minded car yard worker recruited by Wes and Cyril to place late bets using a secret code. He wins £1,000, which leads to a violent confrontation with bookie Norm Cray that injures his father. He is romantically interested in waitress Esmerelda, and later helps The Kid and Cyril rescue Wes and Claire from Bishop's homestead, ultimately throwing Cray into the river during a bridge fight.
Wes uses Don as the operational agent in the betting scheme.
Wes and Cyril recruit Don to place late bets, and Wes makes coded telephone calls that help Don win £1,000.
Cyril helps coordinate Don's role in the con.
Cyril works with Don and Wes in the coded telephone betting operation and later reunites with Don after the river incident.
Their mutual attraction becomes a hopeful personal subplot.
Don admires Esmerelda, takes her to the dance in a borrowed car, and spends the night with her outside the woolshed.
Their conflict escalates from fraud to physical intimidation.
Don wins £1,000 from Cray through the coded betting scheme, and Cray invades Don's home after discovering the deception.
Their friendship develops through shared danger and improvised resistance.
After meeting beside the river, The Kid befriends Don and later acts with Don against Cray and Bishop.
Explore the full interactive character relationship map of Came a Hot Friday