Question: The producer of "I Am That Change" made his adult acting debut in what film?

Context paragraphs:
I Am That Change: I Am That Change is a 2014, Telugu short film directed by Sukumar and produced by actor Allu Arjun on Geetha Arts.  Apart from Allu Arjun, the short film features an ensemble cast of Tanisshq Reddy, Vikram Chaitanya, Surya Ashrith, Trisha, Sri Varshini, Bharath Reddy and Sathish.  Sai Karthik is the music director and Amol Rathod is the cinematographer while Prawin Pudi is the editor.

Geraldine Chaplin: Geraldine Leigh Chaplin (born July 31, 1944) is a prolific actress of English, French, and Spanish language films, the fourth child of Charlie Chaplin, the first of eight with fourth wife Oona O'Neill.  After beginnings in dance and modeling, she turned her attention to acting, and made her American acting debut (and came to prominence in what would be a Golden Globe–nominated role) in her portrayal of Tonya in David Lean's "Doctor Zhivago" (1965).  She made her Broadway acting debut in Lillian Hellman's "The Little Foxes" in 1967, and received her second Golden Globe nomination for Robert Altman's "Nashville" (1975).  She also appeared in his other pictures, including "Buffalo Bill and the Indians, or Sitting Bull's History Lesson" (1976), and "A Wedding" (1978).  She received a BAFTA nomination for her role in "Welcome to L.A." (1976), and then appeared in "Roseland" (1977) and "Remember My Name" (1978).  She played her grandmother Hannah Chaplin in the biopic, "Chaplin" (1992) for which she received her third Golden Globe nomination.  She also appeared in "The Age of Innocence" (1993), "Jane Eyre" (1996), "" (1997), and a decade later, in "The Wolfman" (2010).

Joseph Anthony: Joseph Anthony (May 24, 1912 – January 20, 1993) was an American playwright, actor, and director.  He made his film acting debut in the 1934 film "Hat, Coat, and Glove" and his theatrical acting debut in a 1935 production of "Mary of Scotland".  On five occasions he was nominated for a Tony Award for Best Direction.

Allu Arjun: Allu Arjun is an Indian film actor who primarily works in Telugu cinema.  After playing child artist in "Vijetha" and as a dancer in "Daddy", Arjun made his adult debut in "Gangotri".

Maeve Dermody: Maeve Dermody (born 2 November 1985) is an Australian actress.  After a film appearance as a child (age 5), her adult acting career has included work in Australian television, theatre, short films and movies.  She characterizes her own acting goal as "to be able to play different characters every time, without traces of myself".

Our Gang: Our Gang (also known as The Little Rascals or Hal Roach's Rascals) was a series of American comedy short films about a group of poor neighborhood children and their adventures.  Created by comedy producer Hal Roach, the series was produced from 1922 to 1944 and is noted for showing children behaving in a relatively natural way, as Roach and original director Robert F. McGowan worked to film the unaffected, raw nuances apparent in regular children rather than have them imitate adult acting styles.  The series broke new ground by portraying white and black boys and girls interacting as equals.

Kang Nam-gil: Kang Nam-gil (born August 27, 1958) is a South Korean actor.  Kang made his acting debut as a 9-year-old child actor in 1966.  He later transitioned to adult roles in 1981 with "Let Us Love" written by Kim Soo-hyun (and dropped out of Hanyang University's English Language and Literature department).  Kang drew popularity when he starred in the family drama "Under the Same Roof" in 1986, but became best known for playing "Dal-soo" in the single-episode "MBC Best Theater", which used his character to satirize the social issues of the day.  "The Trial of Dal-soo" reached 25.7% viewership ratings, the highest in the anthology series' history.  In 2000, Kang and his wife divorced on charges of adultery on her part, and his subsequent hospitalization from a heart attack led him to take a hiatus from his acting career and move with his son and daughter to England.  He returned to Korea four years later, and made his comeback with "People of the Water Flower Village".  Kang is also an author of computer books for beginners, and in 2004 he published "Oh!  My God", a memoir about his life as a stay-at-home dad in Birmingham.  In 2008, he played one of the leading roles in the spirit possession dramedy "Who Are You? ".

M. N. Rajam: Madurai Narasimha Achary Rajam or M. N. Rajam is an Indian actress, who works mainly in Tamil cinema.  She made her stage acting debut at the age of seven, and movie acting debut as a child artist in 1949.  At the age of 14, Rajam played the vamp role in the Tamil classic "Rathak Kaneer" (1954), opposite to M. R. Radha.  Since then Rajam had acted with several leading actors including Sivaji Ganesan, MGR, Gemini Ganesan, M. R. Radha, S.S. Rajendran, M. N. Nambiar and N. S. Krishnan.  She married popular Tamil playback singer A. L. Raghavan on 2 May 1960.  Her performances in films like "Thaali Bhagyam", "Raktha Kaneer", "Pennin Perumai", "Pudhayal", and "Thanga Padumai" were critically acclaimed.  She played supporting roles in films since 1970 to 1990.  She even started working in TV serials from 1995 and continues to work in films till 2014.

James Aubrey (actor): James Aubrey Tregidgo (28 August 1947 – 6 April 2010), known professionally as James Aubrey, was an English stage and screen actor.  He trained for the stage at the Drama Centre London.  He made his professional acting debut in a 1962 production of "Isle of Children".  Aubrey made his screen acting debut in the 1963 adaptation of "Lord of the Flies".  Aubrey performed with the Royal Shakespeare Company during their 1974–1975 season.  Theatres at which Aubrey performed included the Birmingham Repertory Theatre, the Comedy Theatre and the Old Vic.  His last television work was in an episode of "Brief Encounters" in 2006.

Cody Walker (actor): Cody Beau Walker (born June 13, 1988) is an American actor.  He is the brother of the deceased Paul Walker, and helped complete his final scenes in "Furious 7" (2015).  He made his acting debut in "Abandoned Mine" (2013).  He went on to appear in "" (2016), and went on to star in the television programme "In the Rough".  He will make his lead acting debut in "The Tunche" (2017).

Supporting paragraphs: I Am That Change Allu Arjun
Answer: "Gangotri"