She appeared in West Side Story on stage and in the 1961 film, and had a busy career in American television from the 1960s into the 1990s.

[2] As a young actress and dancer, Yvonne Othon appeared in shows starring Imogene Coca[3] and Carol Burnett.

[9] "She was a worldly, wiseass New Yorker, intelligent and very funny," recalled her friend and fellow dancer from West Side Story, actress Nobuko JoAnne Miyamoto.

[4] Wilder was also known for roles in the vampire film, The Return of Count Yorga (1971), which she co-wrote;[11] and in Silent Movie (1976), Bloodbrothers (1978), Why Not Stay for Breakfast?

[2] Most of Wilder's work was in television, including roles in Hennesey (1962),[5] CBS Workshop (1964), Hey, Landlord (1967), Bracken's World (1969), Room 222 (1969–1970), The Mary Tyler Moore Show (1972), The Courtship of Eddie's Father (1972), The Partridge Family (1971–1972), The Girl with Something Extra (1973), Death Sentence (1974), On the Rocks (1975–1976), The Practice (1976), Police Story (1977), Operation Petticoat (1977–1978),[12] The Tenth Month (1979), One Day at a Time (1979), Archie Bunker's Place (1981–1982), Mama's Family (1983), Gimme a Break!