Question: Sally Mansfield had a role in a feature film with the entertainer who had what nickname?
Context: Joseph Grimaldi (18 December 1778 – 31 May 1837) was an English actor, comedian and dancer, who became the most popular English entertainer of the Regency era.  In the early 1800s, he expanded the role of Clown in the harlequinade that formed part of British pantomimes, notably at the Theatre Royal, Drury Lane and the Sadler's Wells and Covent Garden theatres.  He became so dominant on the London comic stage that the harlequinade role of Clown became known as "Joey", and both the nickname and Grimaldi's whiteface make-up design were, and still are, used by other types of clowns.  Grimaldi originated catchphrases such as "Here we are again!" , which continue to feature in modern pantomimes. Jadey Duffield (born 15 February 1991) is an English actress, model and dancer.  Duffield rose to prominence for her role as Lara Darwin in feature film "C.O.O.L.I.O" (2014) and "Skin Traffik" (2015) starring Mickey Rourke, Eric Roberts and Gary Daniels.  She is currently filming British Drama romance thriller "The Singleton" (2015), action feature film "1603" (2015), "Londinium" (The Beginning) (2015), "Londinium" (2016) "The Levellers" (2015) short movie "Serving Miss Garbo" (2015), western feature film "A Fistful Of Bullets" (2015), and "" (2016), with Chris Hemsworth, Charlize Theron, Emily Blunt and Jessica Chastain. Dean Martin (born Dino Paul Crocetti; June 7, 1917 – December 25, 1995) was an American singer, actor, comedian, and film producer.  One of the most popular and enduring American entertainers of the mid-20th century, Martin was nicknamed the "King of Cool" for his seemingly effortless charisma and self-assurance. Jere Rae Mansfield graduated from the University of California at San Diego, and became a working Screen Actors Guild member for many years.  Following her work as an actress she became an accomplished producer in feature film and political and commercial venues. Elaine Joyce Knoesen (23 December 1939 – 17 September 2014) better known professionally as Elaine Lee, was a South African-born Australian-based theatre and television actress and entertainer best known for her role of dress designer Vera Collins in the 1970s television soap opera, and its feature film version "Number 96". Paul Frappier (May 8, 1977February 11, 2011), better known by his stage name Bad News Brown (at times, also as BNB and Briz Brown), was a Montreal-based Canadian entertainer, musician, and hip hop MC of Haitian origin.  He was well known for pairing the sound of his chief instrument, the harmonica, with hip-hop beats and rhymes.  Frappier started busking in Montreal taking his signature sound as a teenager to the streets and subway stations of Montreal.  He later toured and opened for many well-known hip hop acts or as background musician.  He also appeared as an impromptu host in "Music for a Blue Train", the 2003 documentary about busker musicians in the Montreal Metro subway train system.  In 2004, he signed a management deal with E-Stunt Entertainment Group.  In 2009, he established his own record label Trilateral Entertainment Inc and released his debut studio album "Born 2 Sin".  He was murdered in Montreal, Quebec, Canada, and his body was found there on February 12, 2011.  The long feature film "BumRush" featuring him in a leading role premiered on April 1, 2011. Stephen Nicholas (born 23 August 1978) also known as Stephen Charles Nicholas is an actor and presenter from Doncaster, South Yorkshire, England.  Stephen currently lives in Sheffield, his first role was on Sky One's Dream Team, where he played Scott Ward.  From there, he filmed the first in the trilogy Goal!  (In which he played a Newcastle United Reserves player).  Following this, he moved to Los Angeles, where he played Smith in the feature film Futbaal: The Price of Dreams.  Stephen then returned to the UK to make a Bollywood film called Dhana Dhana Goal with John Abraham.  Stephen then experienced his first opportunity in reality TV with the show Premier League All Stars for Sky One, as well as playing a footballer, he was on-hand to present celebrity gossip and pitch side reports.  He then appeared in Celebrity Most Haunted and Date the Enemy.  From there he then went on to star in Goal 3 where he not only acted in the film he also became the football choreographer and choreographed all the football scenes in the film.  Nicholas then starred in the film Damned United where he played Welsh international Alan Durban, the film was filmed in Chesterfield and Leeds and was directed by Oscar winner Tom Hooper and also starred Oscar nominated Michael Sheen.  Stephens next production was the feature film called 'No Way Back Now'about the notorious Manchester district of Moss Side, where Stephen played the lead actor Stuart Gavin,The feature is roughly based on the notorious Gooch gang that terrorised Manchester throughout the years.  The next move for Stephen was pantomime where he was part of the production Aladdin over the Christmas period of 2015 in Doncaster playing Abanaza the main villain which he did until January 7, 2016! .  He has recently been cast in the up-and-coming Feature Film 'Whiteblade' where he will play Thurstan the head Warlord Whiteblade is currently in production and Stephen is shooting his scenes in August 2016.  In September 2016 Stephen will be presenting the Sky TV show 'Britz go Bollywood' the show consists of a group of Celebrities being dressed by The best Indian designers, Stephen is the main presenter of the show which will be screened live September 2, 2016. Robert Leighton is a British film and television editor with more than 30 feature film credits since 1980.  He has edited nearly all of the films by film director Rob Reiner, commencing with "This is Spinal Tap" in 1984.  He has also edited three films with Christopher Guest.  His work includes hit comedies and mockumentaries such as "This is Spinal Tap", "Best in Show" and "When Harry Met Sally" as well as classic dramas such as "Stand by Me" and the Stephen King thriller, "Misery", which garnered actress Kathy Bates a "Best Actress" Oscar.  He was nominated for the Academy Award for Best Film Editing for the feature film, "A Few Good Men" (1992). Marie Mahder (December 13, 1920 – January 28, 2001), best known by her stage name Sally Mansfield, was an American television character actress; she also had a few small roles in feature films including one with Dean Martin and Jerry Lewis. Quinn Edmond Julian Lord (born February 19, 1999) is a Canadian teen actor.  Beginning his professional acting career at the age of five, Lord played Sam in the 2007 feature film "Trick 'r Treat" and was nominated for the Young Artist Award as Best Leading Young Actor in a Feature Film for his role as Thomas Whitman in the 2012 feature film "Imaginaerum".  He currently has a recurring role on Amazon's TV series "The Man in the High Castle".
Answer: King of Cool