The Lord of the Rings | The Lord of the Rings: The Two Towers | Stiff Little Fingers | The Lord of the Rings: The Fellowship of the Ring | Legend of the Five Rings | The Lord of the Rings: The Return of the King | The Lord of the Rings (1978 film) | The Postman Always Rings Twice | The Lord of the Rings (1981 radio series) | The Lord of the Rings (film series) | Rings of Saturn | The Lord of the Rings (musical) | The Beast with Five Fingers | Three Rings | The Lord of the Rings: The Battle for Middle-earth II | The Book of Five Rings | Fingers (1978 film) | Fingers | As the Bell Rings | The Postman Always Rings Twice (1946 film) | ''The Lord of the Rings'' movie trilogy | The Lord of The Rings | Sticky Fingers | Rollie Fingers | Newton's rings | Magic Fingers | ''Lord of the Rings'' films | Five Fingers Group | Borromean rings | Around the Rings |
Keen was a regular on TV during the 1970s and early 1980s, starring in sitcoms such as The Cuckoo Waltz, Rings on Their Fingers, Shillingbury Tales, Foxy Lady and You Must Be The Husband, and in two runs of a Thames Television children's historical costume drama The Feathered Serpent.