It is difficult to say how much of an impact Amanda Crew has had on Dustin Milligan's career. However, it is clear that the two are very supportive of each other and that they enjoy working together. In 2018, they starred together in the film The Age of Adaline. They also appeared together in an episode of the television series Schitt's Creek in 2019.
It is likely that Amanda Crew's support has helped Dustin Milligan to achieve success in his career. She is a talented actress who has a strong work ethic. She is also a supportive and loving partner. These qualities have undoubtedly helped Dustin Milligan to become the successful actor that he is today.