Kain's mother enrolled her daughter in ballet training because she believed it would improve her postural alignment, poise, and discipline. The family moved from Ancaster to Erindale Woodlands, Toronto Township when Kain was in grade 6 so she could begin training at the National Ballet School of Canada. Upon graduating in 1969, she was invited to join the National Ballet of Canada. She also participated in Girl Guides of Canada programs as a member.
Career
Kain became a principal dancer in 1971, performing central roles in a wide array of ballets, eventually becoming well known in Canada, with the help of legendary dancer Rudolf Nureyev. She worked as a guest artist with Roland Petit's Ballet National de Marseilles, the Bolshoi Ballet, the London Festival Ballet, the Paris Opera Ballet, the Hamburg Ballet, the Vienna State Opera Ballet, and the Eliot Feld Ballet. Kain is a subject of The Portraits of Andy Warhol, c. 1980. In 1977, Kain stopped dancing, but started again in 1981 with the National Ballet of Canada, where she performed for 15 more years. In 1996, Kain reunited with Frank Augustyn to appear in her husband Ross Petty's panto production of Robin Hood at Toronto's Elgin Theatre. Kain retired as a professional dancer in 1997. In 1998, she returned to the National Ballet of Canada as part of the senior management team, in the role of artistic associate. She supported artistic director James Kudelka against principal dancer Kimberley Glasco in a wrongful-dismissal suit. In 2005, she succeeded Kudelka as artistic director. Kain was the founding board president of Canada's Dancer Transition Resource Centre. Kain's autobiography, Movement Never Lies, was published in 1994 by McClelland and Stewart.
Kain has been married since 1983 to Ross Petty, a stage and film actor, and producer of theatrical pantomime productions in Canada for over 20 years. Kain's brother, Kevin Kain, is a noted tropical medicine expert based in Toronto, Ontario; she has three younger siblings and two nephews - Dylan and Taylor Kain.
Other
In 1976, Kain appeared in a televised version of the ballet Giselle in the highly coveted title role, alongside Nadia Potts, Frank Augustyn, and Anne Ditchburn. The production was first shown in 1986. In 1985, Kain starred in an episode of the popular Canadian TV seriesSeeing Things. Kain was also alluded to in the 2003 movie directed by Denys Arcand, "The Barbarian Invasions", when Rémy Girard reminisced about his past love affairs. Kain did a TV commercial for The Art Shoppe, a furniture store in Toronto during the 1970s