Career
He was best known for his portrayal of Daniel Pontipee, one of the seven brothers in the film Seven Brides for Seven Brothers. While with the company, Platt choreographed Ghost Town (1939), set to music by Richard Rodgers. Platt danced the role of Chalmers/Dream Curly in the original 1943 Broadway production of.
Platt appeared in the 1955 film version of in a dancing/speaking role as one of Curly"s cowboy friends.
After he stopped dancing, Platt ran the Radio City Music Hall Ballet for several years, then transitioned to full-time teaching. In 2000, Platt was presented with the Nijinsky Award at the Ballets Russes Reunion.
He appeared in the 2005 documentary Ballets Russes. Jubilee (1935) Broadway Sho-Window (1936) Yokel Boy (1939) The Lady Comes Across (1942) Beat the Band (1942) (1943) Kiss Maine, Kate (1949-1952) Maggie (1953).