When the couple split, a former friend of Moore, actress Ally Sheedy - the two women starred in St Elmo's Fire - told US magazine that the marriage had been one of convenience.

BBC: Willis and Moore divorce

Back home, as he attempts to hack into the school's system to change his biology grade to a C from an F, he explains to his girlfriend (Ally Sheedy) what he's doing, thereby teaching the audience what a password is.

WSJ: "Disconnect": From Talkies to Texties

The idea of doing a dirty Lassie movie is wittier than its execution in this go-for-the-gonads sci-fi flick about a huge guard dog named Max who becomes ultra-possessive of a feckless TV reporter (Ally Sheedy) after she springs him from an animal-experimentation lab.

NEWYORKER: Man��s Best Friend