The Brolga (grey stallion) was played by 3 separate horses including a registered Andalusian stallion named Blackford Santo Domingo.
Film debut for Amiel Daemion. This is the only film appearance she ever did before becoming well-known pop singer Amiel.
The title stallion 'Thowra' was actually played by a mare named Blondie.
One of a handful of Australian horse movies that got made in the wake of the box-office success of Herencia de un valiente (1982). These included Phar Lap (1983), Archer (1985), The Silver Brumby (1993), The Lighthorsemen (1987) and The Man from Snowy River II (1988).