Trivia for
The Sure Thing (1985) More at IMDbPro »

• A poster for director Rob Reiner's previous film, This Is Spinal Tap (1984), hangs on the closet in Gib's dorm room.
  
  
• In the swimming pool scene there is a sign in the background which reads "Happy Birthday Coach Oppewall". This is a reference to production designer Jeannine Claudia Oppewall.
  
  
• The scene where Gib teaches Alison to shotgun a beer was added to the script after John Cusack told Rob Reiner it was something he knew how to do.
  
  
• When Gib (John Cusack) and Alison (Daphne Zuniga) are on the library roof, Alison says that when she was six she wanted to be a princess. Daphne Zuniga played a princess in _Spaceballs (1987)_.
  
  
• Both John Putch (Mastin) and Boyd Gaines (Jason) were semi-regular characters on "One Day at a Time" (1975). Putch played Bob Morton who pined for Barbara Cooper (Valerie Bertenelli) in earlier episodes, and Gaines played Mark Royer who would later play Barbara's husband in later episodes.
  
  
• When Gib (John Cusack) and Alison (Daphne Zuniga) are on the library rooftop, Gib points out the constellation Cassiopeia to Alison. In the movie Serendipity (2001), John Cusack's character also mentions Cassiopeia.
  
  

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