Question: Hall Bartlett and Izu Ojukwu are what?

Context paragraphs:
Zero Hour! (1957 film): Zero Hour!  is a 1957 drama film directed by Hall Bartlett from a screenplay by Arthur Hailey, Hall Bartlett and John Champion.  It stars Dana Andrews, Linda Darnell and Sterling Hayden and features Peggy King, Elroy "Crazy Legs" Hirsch, Geoffrey Toone and Jerry Paris in supporting roles.  The film was released by Paramount Pictures.

The Sandpit Generals: The Sandpit Generals (also released as The Defiant and The Wild Pack) is 1971 drama film directed by Hall Bartlett.  Its plot is based on the novel by Jorge Amado.  Melodious soundtracks were written by Dorival Caymmi.

Love Is Forever (film): Love Is Forever (also known as Comeback) is a 1982 adventure drama film based on the experiences of Australian journalist John Everingham in Laos and Thailand.  It was written, directed and co-produced by Hall Bartlett and co-produced by Michael Landon who played the lead role in the film.  Filmed in Thailand, it was released outside the United States in cinemas under the title of "Comeback" or Passion and Valor and shown first in America on television.

Hall Bartlett: Hall Bartlett (November 27, 1922 – September 7, 1993) was an American film producer, director, and screenwriter.

Alero's Symphony: Alero's Symphony is a 2011 Nigerian musical drama film directed by Izu Ojukwu and starring Bimbo Manuel, Ivie Okujaye and Chibuzor 'Faze' Oji.  It premiered at The Palms, Genesis Cinemas, Lagos.  The film is an upshot of the Amstel Malta Box Office 5 (AMBO 5) reality show.  It received 4 nominations at the 8th Africa Movie Academy Awards and was screened across major Nigerian cities by the Africa Film Academy.

Across the Niger: Across the Niger is a Nigerian drama movie produced in 2004, directed by Izu Ojukwu and written by Kabat Esosa Egbon.  It starred Chiwetalu Agu, who was nominated for "best actor in a supporting role" for his part in the film at the 2008 4th annual African Movie Academy Awards.

'76 (film): '76, formerly Lions of '76, is a 2016 Nigerian historical fiction drama film produced by Adonaijah Owiriwa and Izu Ojukwu and directed by Izu Ojukwu.  It stars Ramsey Nouah, Chidi Mokeme, Rita Dominic and Ibinabo Fiberesima.

White Waters: White Waters is a 2007 sports drama film directed by Izu Ojukwu.  The film received 12 nominations and won four awards at the 4th African Movie Academy Awards including winning Best Director, Best Cinematography, Best Sound and Best Actress award in a Supporting Role for Joke Silva.

Drango: Drango is a 1957 American Western film produced by Jeff Chandler's production company Earlmar Productions, written and directed by Hall Bartlett, and released by United Artists.  Starring Chandler in the title role, the film also features Ronald Howard, Joanne Dru, Julie London and Donald Crisp.  Set in the town of Kennesaw, Georgia in the months immediately following the American Civil War, the story depicts the efforts of a resolute Union Army officer who had participated in the town's destruction during Sherman's March determined to make amends.

Izu Ojukwu: Izu Ojukwu is a Nigerian film director.  In 2007 he won "Best Director" for "Sitanda" at the 3rd Africa Movie Academy Awards, which received nine nominations and won five awards at the event, including "Best Picture" and "Best Nigerian Film".

Supporting paragraphs: Hall Bartlett Izu Ojukwu
Answer: was an American film producer