In the sci-fi sitcom 3rd Rock from the Sun, John Lithgow plays Dick Solomon, the leader of an extraterrestrial team of explorers studying Earth culture. Dick and his crew assume human guises and pretend to be a typical family of four, but their behavior is anything but normal. Despite his erratic personality, Dick manages to hold down a job as a physics professor and keep a human girlfriend, Dr. Mary Albright (SNL veteran Jane Curtin).
Cast and Characters
John Lithgow as Dick Solomon
French Stewart as Harry Solomon
Kristen Johnston as Sally Solomon
Jane Curtin as Dr. Mary Albright
Joseph Gordon-Levitt as Tommy Solomon
Simbi Khali as Nina Campbell
Elmarie Wendel as Mrs. Mamie Dubcek
Wayne Knight as Officer Don Orville
Broadcast History First Telecast: January 9, 1996 Last Telecast: May 22, 2001 Number of Episodes: 139
Number of Seasons: 6
Original Network: NBC
Shows 
In the sci-fi sitcom 3rd Rock from the Sun, John Lithgow plays Dick Solomon, the leader of an extraterrestrial team of explorers studying Earth culture. Dick and his crew assume human guises and pretend to be a typical family of four, but their behavior is anything but normal. Despite his erratic personality, Dick manages to hold down a job as a physics professor and keep a human girlfriend, Dr. Mary Albright (SNL veteran Jane Curtin).
