Question: What is character for which the ballet dancer who appeared in a 1946 American romantic comedy directed by Alfred Green was known?

Context paragraphs:
We'll Never Have Paris: We'll Never Have Paris is a 2014 American romantic comedy directed by Simon Helberg (in his directorial debut) and Jocelyn Towne.  It stars Helberg, Melanie Lynskey, Zachary Quinto, Maggie Grace, Jason Ritter and Alfred Molina.  It is based on the real life engagement of star Simon Helberg to his wife, Jocelyn Towne.

The Well-Groomed Bride: The Well-Groomed Bride is a 1946 American romantic comedy film directed by Sidney Lanfield and starring Olivia de Havilland, Ray Milland, and Sonny Tufts.  Written by Claude Binyon and Robert Russell, the film is about a man and a woman who fight over the last bottle of champagne left in San Francisco—he wants it to christen a new aircraft carrier, and she wants it as the centerpiece for her upcoming wedding reception.  During the course of their fierce battle over the bottle, the two fall in love.  This was de Havilland's first film after a two-year legal battle she waged against Warner Bros. regarding her rights under her contract.

The Fabulous Suzanne: The Fabulous Suzanne is a 1946 American romantic comedy film directed by Steve Sekely and starring Barbara Britton, Rudy Vallee and Otto Kruger.  A waitress inherits a fortune from one of her customers.

Because of Him: Because of Him is a 1946 American romantic comedy film starring Deanna Durbin, Charles Laughton and Franchot Tone.  It includes a memorable scene in which Durbin sings "Danny Boy".

Val Caniparoli: Val Caniparoli is an American ballet dancer and choreographer.  His work includes productions for ballet, opera, and theater for over 35 companies, and his career as a choreographer progressed even as he continued his professional dance career with the San Francisco Ballet.  He joined the San Francisco Ballet as a dancer in 1973.  He was appointed to the position of principal character dancer with the San Francisco Ballet by Artistic Director Helgi Tomasson in 1987.

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".

Margie (film): Margie is a 1946 American romantic comedy film directed by Henry King and starring Jeanne Crain, about a high school girl in the 1920s who develops a crush on her French teacher.  "Margie" was a box-office hit, ranking in the top 15 highest-grossing films of the year, and established Crain as an important Fox star.  Although not a true movie musical (as it uses period recordings, with only one song being partially performed by a character in the film), it is sometimes classified with musicals due to the large number of 1920s-era popular songs incorporated as nostalgic background in the film.

She's Got Everything (film): She's Got Everything is a 1937 American romantic comedy directed by Joseph Santley using a screenplay by Harry Segall and Maxwell Shane, based on a story by Shane and Joseph Hoffman.  The film stars Gene Raymond and Ann Sothern, with supporting performances by Victor Moore, Helen Broderick, Parkyakarkus (also known by his real name, Harry Einstein), and Billy Gilbert.  RKO Radio Pictures produced and distributed the picture, which was released on the final day of 1937.

Meet the Stewarts: Meet the Stewarts is a 1942 American romantic comedy directed by Alfred E. Green, which stars William Holden and Frances Dee.  It was Holden's final film prior to his entering military service for World War II, and he was granted a temporary deferment in order to complete filming.  The working title of the picture was Something Borrowed.

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.

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