The actress had met her father one day before the announcement but Voight said he respects his daughter's decision.
Hollywood actress Angelina Jolie decided to go public about her preventative double mastectomy and the news drew support from people around the world.
However, the actress' father Jon Voight says he also learnt about the surgery like the rest of the world from news on the internet.
Voight, who reconciled with the Tomb Raider star after a 10 year feud in 2011 praised his ‘inspirational’ daughter but was surprised at the same time.
The fued was caused in 2002 when Voight accused Jolie of having ‘serious mental problems’, while the actress criticised her father for having an affair behind her mother’s back.
It was Angelina's fiance Brad Pitt who eventually engineered their reconciliation and acted as a go-between.
The 74-year-old actor was taken by surprise as he had seen Angelina just one day before her announcement in the New York Times.
Jolie's decision to undergo the operation is said to dramatically decrease her risk of developing breast cancer, after she was identified as carrying the BRCA1 cancer gene.
Speaking to media agencies Voight said Angelina was an amazing person, an extraordinary mother who includes her children when she can, without scaring them, and makes things understandable to them.
The 37-year-old actress decided to get tested for the gene because her 56-year-old mother Marcheline Bertrand died of ovarian cancer in 2007.
Angelina continued working throughout three months of procedures and kept them a secret from everyone other than her fiance Brad.
The actress' father Jon said, he 'absolutely' respects his daughter's choice to keep her decision from him for that time.
Jon revealed he spoke to Angelina on Tuesday and she talked him through what it all means.
Angelina Jolie is mother to six children, Maddox, 11, Pax, nine, Zahara, eight, Shiloh, six, and four-year-old twins Knox and Vivienne.
Many Hollywood stars have come out in support of the actress and her courageous decision that was made public in her op-ed in The New York Times.
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