<Tr> <Th> Budget </Th> <Td> $14 million </Td> </Tr> <Tr> <Th> Box office </Th> <Td> $27,462,041 </Td> </Tr> <P> A Dangerous Method is a 2011 German - Canadian historical film directed by David Cronenberg and starring Keira Knightley, Viggo Mortensen, Michael Fassbender, and Vincent Cassel . The screenplay was adapted by writer Christopher Hampton from his 2002 stage play The Talking Cure, which was based on the 1993 non-fiction book by John Kerr, A Most Dangerous Method: The story of Jung, Freud, and Sabina Spielrein . </P> <P> The film marks the third consecutive collaboration between Cronenberg and Viggo Mortensen (after A History of Violence and Eastern Promises). This is also the third Cronenberg film made with British film producer Jeremy Thomas, after completing together the William Burroughs adaptation Naked Lunch and the J.G. Ballard adaptation Crash . A Dangerous Method was a German / Canadian co-production . The film premiered at the 68th Venice Film Festival and was also featured at the 2011 Toronto International Film Festival . </P>

A dangerous method is it a true story