[3] Her father, Dư Phước Long, was a South Vietnamese politician who served as the Director of Press and Cultural Attaché in Washington, DC, during the administration of President Ngô Đình Diệm.

Throughout the 1970s and 1980s, she appeared in films and television, including the mini-series Pearl (1978) and the TV movie Fly Away Home (1981), which explored the human cost of the Vietnam War.

In 1981, Alexandra starred with Bruce Boxleitner and Brian Dennehy as Mai, a Vietnamese medic in the Warner Bros. made-for-television feature film Fly Away Home.

[citation needed] The documentary features interviews with prominent Vietnamese leaders, including General Võ Nguyên Giáp, and sheds light on issues such as Amerasian children and the effects of Agent Orange.

[citation needed] Since 1998, the Indochina Film Arts Foundation has conducted ongoing production workshops to advance the skills of aspiring Vietnamese filmmakers.

[citation needed] In 2000, Alexandra explored the Plain of Jars region of Laos to document the effects of carpet-bombing and unexploded ordnance on local populations.

Her documentary, Requiem, featured Pulitzer Prize–winning journalists and photojournalists Peter Arnett, and Nick Ut, as well as the local Vietnamese youth culture that had moved on from the war.

[citation needed] In 2007, Alexandra went on a world tour with Oscar and Tony-winning author Christopher Hampton to help manage and promote his work on the feature film Atonement.

[17] James Gandolfini, Marcia Gay Harden, Philip Glass and Phillip Noyce participated in the short documentary that Alexandra created from the event.

[citation needed] As co-owner of Christopher Hampton's stage play The Talking Cure, Alexandra was instrumental in developing the project into a feature film directed by David Cronenberg.

The film, retitled A Dangerous Method, starred Michael Fassbender as Swiss psychotherapist Carl Jung, and Keira Knightley as his patient and mistress.

[22] Alexandra documented "the making of" the six-episode drama – which portrayed the intrigues and ultimate upheaval of British colonialism during the Fall of Singapore in WWII.