3rd Rock from the Sun

The high commander of an alien expedition lands on Earth -- what he considers to be the least-important planet -- in human form as Dick Solomon. Along for the ride are his alien compatriots Harry, Sally and Tommy -- who is the eldest of the group but is now angrily trapped in a teen's body.

• 
  John Lithgow

  Dick Solomon
• 
  Kristen Johnston

  Sally Solomon
• 
  Jane Curtin

  Mary Albright
• 
  Joseph Gordon-Levitt

  Tommy Solomon
• 
  French Stewart

  Harry Solomon
• 
  Simbi Khali

  Nina Campbell
• 
  Wayne Knight

  Don Orville
• 
  Elmarie Wendel

  Mrs. Dubcek