 During the filming of the feature, Mansfield and Colton had a brief love affair, unknown at the time.Both Nico Minardos and Bob Mathias were added as supporting characters at the last minute when the appearances of both Lt. Alexi and Coach Graham were lengthened to become more than bit players.Less experienced actors had initially been cast, but when Fox demanded the roles be lengthened, the more experienced Minardos and Mathias were brought in as replacements.