Question: What star of Tars and Spars, an American romantic comedy, portrayed Daniel Pontipee in "Seven Brides for Seven Brothers"?

Context paragraphs:
Seven Brides for Seven Brothers (TV series): Seven Brides for Seven Brothers is an American musical television series loosely based on the film, which ran on CBS from September 19, 1982 to March 23, 1983.

Tars and Spars: Tars and Spars is a 1946 American romantic comedy directed by Alfred E. Green, which stars Alfred Drake, Janet Blair, and Marc Platt.

Seven Brides for Seven Brothers: Seven Brides for Seven Brothers is a 1954 musical film, photographed in Ansco Color in the CinemaScope format.  The film was directed by Stanley Donen, with music by Saul Chaplin and Gene de Paul, lyrics by Johnny Mercer, and choreography by Michael Kidd.  The screenplay, by Albert Hackett, Frances Goodrich, and Dorothy Kingsley, is based on the short story "The Sobbin' Women", by Stephen Vincent Benét, which was based in turn on the Ancient Roman legend of The Rape of the Sabine Women.  "Seven Brides for Seven Brothers", which is set in Oregon in 1850, is particularly known for Kidd's unusual choreography, which makes dance numbers out of such mundane frontier pursuits as chopping wood and raising a barn.  Film critic Stephanie Zacharek has called the barn-raising sequence in "Seven Brides" "one of the most rousing dance numbers ever put on screen."

He Makes Me Feel Like Dancin': He Makes Me Feel Like Dancin' is a 1983 documentary film directed by Emile Ardolino about Jacques d'Amboise, a noted former American ballet star who had dancing roles in such films as "Seven Brides for Seven Brothers" and "Carousel", and who later became a New York dancing instructor.  It won the 1983 Academy Award for Best Documentary Feature and a 1984 Emmy Award for Best Children's Programming after it was shown on television.  It is one of the few theatrical films to win both awards.

Stanley Donen: Stanley Donen ( ; born April 13, 1924) is an American film director and choreographer whose most celebrated works are "Singin' in the Rain" and "On the Town", both of which he co-directed with actor and dancer Gene Kelly.  His other noteworthy films include "Royal Wedding", "Seven Brides for Seven Brothers", "Funny Face", "Indiscreet", "Damn Yankees! ", "Charade", and "Two for the Road".  He received an Honorary Academy Award in 1998 for his body of work and a Career Golden Lion from the Venice Film Festival in 2004.  He was hailed by film critic David Quinlan as "the King of the Hollywood musicals".  Donen married five times and had three children.  His current long term partner is film director and comedian Elaine May.

Ruta Lee: Ruta Lee (born May 30, 1935) is a Canadian actress and dancer who appeared as one of the brides in the musical "Seven Brides for Seven Brothers".  She had roles in films including Billy Wilder's crime drama "Witness for the Prosecution" and Stanley Donen's musical comedy "Funny Face" and also is remembered for her guest appearance in a 1963 episode of Rod Serling's sci-fi series "The Twilight Zone" called "A Short Drink from a Certain Fountain".

Satte Pe Satta: Satte Pe Satta (Hindi: सत्ते पे सत्ता , "tr."  Seven on Seven) is a Hindi action comedy film released in 1982.  It featured Amitabh Bachchan, Hema Malini, Amjad Khan, Ranjeeta Kaur, Sachin, Shakti Kapoor, Paintal, Sudhir, Inderjeet, Sarika, Kanwaljit Singh, Prema Narayan, Mac Mohan and Kalpana Iyer amongst others.  The film became a hit at the box office.  Satte pe Satta is Adapted from 1954 Movie Seven Brides for Seven Brothers, Starring Howard Keel & Jane Powell in lead.

Marc Platt (dancer): Marcel Emile Gaston LePlat (December 2, 1913 – March 29, 2014), known professionally as Marc Platt, was an American ballet dancer, musical theatre performer, and actor.  He was best known for his portrayal of Daniel Pontipee, one of the seven brothers in the film "Seven Brides for Seven Brothers".

Joaquin Phoenix filmography: Joaquin Phoenix is an American actor who started his career performing as a child on television.  He appeared on the shows "Seven Brides for Seven Brothers" (1982) and "" (1984) with his brother River Phoenix and on an episode of "Murder, She Wrote" (1984) with his sister Summer Phoenix.  He made his feature film debut in "SpaceCamp" (1986) and had his first starring role in "Russkies" (1987).  His first major film release was Ron Howard's dramedy "Parenthood" (1989) with Steve Martin.  During his period as a child actor, he was credited as Leaf Phoenix, his self-given name.

Matt Mattox: Matt Mattox (August 16, 1921 – February 18, 2013) was an American jazz and ballet dancer.  He was a Broadway performer and a specialty dancer in many Hollywood musicals.  His best-known film role was as one of the brothers in the 1954 film "Seven Brides for Seven Brothers".

Supporting paragraphs: Tars and Spars Marc Platt (dancer)
Answer: Marc Platt