Helm Dolbetpy (Do Thanh An) June 19, 1980, is a Vietnamese director, screenwriter of film and television series.
Originally from Do Thanh An in Nui Sap town, Thoai Son district, An Giang province, currently residing in Binh My commune, Cu Chi district, Ho Chi Minh city with his wife and two children. His wife is Bach Kim, a professional drama actor (2001-2005).
Father: Do Thanh Nhan (1956)
Mother: Vo Thi Kim Lien (1961)
Sister: Do Ngoc Ai (1984)
Son: Do Vien Bach (2009)
Daughter: Do Khiet Linh Dan (2012

After his marriage, he changed his career to a scriptwriter and film director. Do Thanh An graduated from University of Theater and Cinema in 2001 with a major in film directing from Film University.. From 2001 to 2007, there were stage actors in Theatre 5B, and freelance actors. Since 2007, he studied film director, and has been working as a director and screenwriter until now.

Director:
- 2009 Grandma Climbing Coconut , Documentary, Film Won Kite Award 2009 Vietnam
- 2010 Gentleman Era, TV Series 42 episodes
- 2011 The Sound of KIM , TV 30 episodes, The movie of “DAN CA TAI TU”, The first one in Vietnam
- 2012 Trendy letters @ , TV Drama 35 episodes
- 2013 New Year Banh, TV Series 5 episodes
- 2014 The Missing Corpse, Cinema, Won 20 billion VND revenue after 3 weeks of release in Vietnam
- 2015 Like: love-fashion-bandanna, TV Drama 30 episodes
- 2016 Blood Mask, Cinema, Won VND 40 billion in revenue after 4 weeks of release in Vietnam
- 2021 Kieu@, Cinema, (film inspired by Truyen Kieu - Nguyen Du.
) The world's 31th film is using ONE SHOT technique over 90 minutes (by Ranker), 200 years Anniversary - Story of Kieu (Nguyen Du) 1820-2020, COMING SOON 2021, the 31st film in the world (according to Ranker's statistics).
THE FILM KIEU@ HAS BEEN CERTIFIED A VIETNAMESERECORD. BY THE VIETNAM RECORD ASSOCIATION CENTRAL COMMITTEE - VIETNAM RECORD ORGANIZATION - VIETKINGS.
“Vietnam's Record "First Vietnamese Film to use (ONE SHOT- Continuous Shot) technique over 90 minutes"
Total budget 1M USD, Revenue in Vietnam in the first week of issuance is 46,763 USD, then suspended because of (Covid-19) March 2021.

Writer:
- Grandma Climbing Coconut (2009)
- The Missing Corpse (2014)
- Blood Mask (2016)
- Blood Dead Point (2015)
- Kieu@ (2019)

Award:
- Grandma Climbing Coconut (Kite Award 2009, Vietnam) by Vietnam Film Association

Marriage:
November 19, 2006 Do Thanh An married actor Bach Kim, an actor of small stage 5B Vo Van Tan Ho Chi Minh City

Education:
- Bachelor of Arts of professional actors (Regular)
- Magister Atrium of Arts - Film director (Regular)