Leah Kunkel Leah Kunkel Leah Kunkel (born June 15, 1948) is an American singer, songwriter and entertainment law attorney. Leah Kunkel was born Leah Cohen on June 15, 1948 in Baltimore, Maryland. She is the younger sister of Cass Elliot from the folk rock vocal group The Mamas & the Papas. In 1968 she married American drummer and music producer Russ Kunkel. Following her sister's death in 1974, Kunkel was given custody of Cass Elliot's daughter, Owen. The couple also raised their son, Nathaniel, an Emmy Award winning sound engineer. After being signed to Dunhill records, Kunkel recorded her first record "Billy"
Casey Donovan (singer) 2011 movie version, Donovan was not cast. 2011 saw Donovan reprise her role of Cynthia Macrae in another tour of the hit show "The Sapphires". The tour ran during February in ACT and NSW, and was followed by two weeks in the UK in March. In August/September 2011, Donovan created the role of Mama Cass in the world premiere of new musical "Flowerchildren – The Mamas & the Papas Story" written by Peter Fitzpatrick and produced by Australian company Magnormos. She was joined by Matt Hetherington as John Phillips, Laura Fitzpatrick as Michelle Phillips, and Dan Humphris as Denny Doherty.