Legend (1985)

Revealing mistake: The two unicorns are a stallion and a mare in the movie. But both horses used were clearly stallions. This can be seen quite well when the "mare" is jumping around after she comes upon the stallion with his horn removed; a full shot of the male horse anatomy.

The Lord of Darkness: I require the solace of the shadows and the dark of the night. Sunshine is my destroyer.

Trivia: In the scene where Meg appears, Richard Picardo had a hard time breathing in the latex costume and mask while underwater. When he/she pops up, look closely; Meg appears to be spitting water and gasping for breath.

Question: What breed of horses were used for the unicorns?