• 
  Kelly Preston

  Shirley Butts
• 
  Sean Patrick Flanery

  Buddy
• 
  Ann-Margret

  Rose Butts
• 
  Charles Durning

  Charlie Drumm
• 
  Charles Edwin Powell

  Greased pig contestant
• 
  Ann Wedgeworth

  Claudine
• 
  Angel Tompkins

  LaVonne
• 
  C. Thomas Howell

  Bubber Drumm

• 
  Sharon Menzel

  Wife
• 
  James Noble

  Sinclair
• 
  William Zabka

  Randy
• 
  Traci Lind

  Penny
• 
  Tim Thomerson

  Lonny
• 
  Ed Geldart

  Gamekeeper
• 
  Steven Kampmann

  Dr. Shorts

• 
  Patricia Rose

  casting director
• 
  Tony Pierce-Roberts

  imagine
• 
  Lee Holdridge

  departament sunet
• 
  David Campling

  montaj
• 
  George Masters (I)

  make-up department
• 
  Gerald Sullivan

  miscellaneous crew