Karen is one of three NBC sitcoms set in a California apartment complex located at 90 Bristol Court. It stars Don Galloway as Tom and Joyce Bulifant as Mary Gentry, a newlywed couple sharing an apartment with Tom's best friend, Dick Moran, played by Steve Franken.

• Don Galloway
• Steve Franken
• Joyce Bulifant
• John Hoyt
• J. Edward McKinley