Superman Dean Cain has joined the Gosnell movie to play the detective who uncovered the doctor's 'House of Horrors' clinic.
Nick Searcy, best known as an actor for his role in Justified on FX, is directing.
Gosnell is based on a true story of the doctor who killed hundreds perhaps thousands of infants by stabbing them with scissors after they were born alive in his abortion clinic - which prosecutors described as a "charnel house".
ABC's News correspondent Terry Moran described Gosnell as "America's most prolific serial killer".
Sarah Jane Morris of Brothers and Sisters and NCIS has been cast as the assistant DA - who successfully prosecuted the doctor in an atmosphere of political interference around the hot button issue of abortion.
Gosnell is currently serving life without parole in a Pennsylvania prison for the murder of several babies and killing a female patient.
The investigation also found how the African-American doctor gave white women nicer waiting rooms and cleaner medical equipment than the minority women he treated.
He also charged different prices for anesthesia depending on how much pain a patient wanted and would pay for and he only employed semi-literate, untrained staff to administer drugs.
Gosnell is being made with $2.3 million raised on the crowdfunding site Indiegogo during - at the time - the most successful film campaign ever on the platform. The filmmakers continue taking donations for the film.
Dean Cain, also known for the movies Out of Time and Vendetta, will play Detective James Wood, who investigated Gosnell in a case that led to him being convicted on three counts of murder and one of manslaughter.
Billings has been a character actor for more than three decades, appearing in films such as Antwone Fisher, American Splendor and Thank You For Smoking. He was a regular on the TV series Miss Guided in 2008.
Gosnell has begun filming in Oklahoma City.
Other cast members include Michael Beach, of Sons of Anarchy and The 100, as the district attorney.
Ann McElhinney, Phelim McAleer and Magdalena Segieda are producing, and executive producing is John Sullivan, who co-directed Dinesh D'Souza's 2016: Obama's America.
McAleer said they have been moved to see the story finally be told.
"We are just so happy to have all these skilled actors. We have just started filming and it is incredible watching them bring these characters to life. We have been very careful to keep the script close to actual events so its amazing to hear and see these talented actors bring to life this incredible story. Even us who know the case so well have wept when we hear and see the story being told."
Phelim McAleer is a filmmaker and investigative journalist. He most recently produced and directed FrackNation - a documentary to uncover the truth about Fracking. He has produced documentaries for CBC (Canada) and RTE (Ireland) and two independent feature length documentaries. Before becoming a filmmaker, Phelim was a foreign correspondent for the Financial Times in Eastern Europe. He also covered Romania and Bulgaria for The Economist. Before that he covered Ireland for the UK Sunday Times. He has worked as a filmmaker and journalist in many countries including Romania, Uganda, Madagascar, Bulgaria, Chile, Indonesia, Canada and China. McAleer has appeared on or is a regular contributor to an array of international media organizations including Fox News, CNN and the BBC. He has been interviewed on over 100 US and international radio shows.
Ann McElhinney is a filmmaker and investigative journalist most recently producing and directing FrackNation. She has produced documentaries for the BBC, CBC (Canada) and RTE (Ireland). She has written for a series of newspapers including The UK Sunday Times and the Irish Times. Ann has worked as a filmmaker and journalist in many countries including Indonesia, Romania, Vietnam, Cambodia, Uganda, Madagascar and Uzbekistan. She has appeared on or is a regular contributor to an array of international media organizations including ABC, BBC, CBC (Canada), ABC (Australia), RTE (Ireland) and Fox News. She is a regular on a number of US talk radio shows including Hugh Hewitt and the Dennis Miller. A well known public speaker she has spoken most recently at conferences in Washington DC, New York, San Francisco, Las Vegas, Toronto, Phoenix, San Diego, St. Louis, Santa Barbara and Salt Lake City.
Magdalena Segieda was born in 1982 in Szczecin, Poland. She studied political science and international relations. In 2007, she worked on a documentary for Polish state television (TVP), shot in Dublin. Right after, she met two Irish filmmakers, Ann McElhinney and Phelim McAleer. McElhinney and McAleer had just returned to Ireland to start pre-production for a feature documentary, Not Evil Just Wrong. Ms Segieda was involved in all aspects of the production of the film. Ms Segieda moved with the filmmakers to Washington, DC and worked on the independent distribution of the film. After the team relocated to Los Angeles, she worked on “Hypocrites,” a series of short films, released online, taking a critical look at celebrities who run anti-development environmental campaigns. Most recently, she co-directed the feature length documentary FrackNation - A journalist's search for the fracking truth.
John Sullivan is a writer, director and producer. Three of his films are in the Top 25 grossing theatrical documentaries of all-time. He mostly recently co-directed and co-wrote the hit films America and 2016: Obama’s America with Dinesh D’Souza. These two film have combined for nearly $50mm at the box office. 2016 is the #2 political documentary of all-time with America reaching #6. He also produced the film Expelled with Ben Stein on academic freedom which is the #8 political documentary of all-time. John started his 30-year entertainment career in concert promotion at the age of 15. This early experience gave him a deep appreciation for entrepreneurship, hard work and being a small business owner.