GraphQL schema:

type GET_movie_latest_Root {
  adult: Boolean
  """
  Field "backdrop_path" is defined as JSON since its value was always 'null'
  """
  backdrop_path: JSON
  """
  Field "belongs_to_collection" is defined as JSON since its value was always 'null'
  """
  belongs_to_collection: JSON
  budget: Int
  genres: [JSON]
  homepage: String
  id: Int
  """
  Field "imdb_id" is defined as JSON since its value was always 'null'
  """
  imdb_id: JSON
  origin_country: [String]
  original_language: String
  original_title: String
  overview: String
  popularity: Int
  poster_path: String
  production_companies: [JSON]
  production_countries: [JSON]
  release_date: String
  revenue: Int
  runtime: Int
  spoken_languages: [GET_movie_latest_SpokenLanguagesEntry]
  status: String
  tagline: String
  title: String
  video: Boolean
  vote_average: Int
  vote_count: Int
}

type GET_movie_latest_SpokenLanguagesEntry {
  english_name: String
  iso_639_1: String
  name: String
}

type Query {
  GET_movie_latest(tmdb_access_token: String!): GET_movie_latest_Root
    @rest(
      endpoint: "https://api.themoviedb.org/3/movie/latest"
      headers: [{ name: "authorization", value: "Bearer $tmdb_access_token;" }]
    )
}
type GET_movie__movie_id__credits_CastEntry {
  adult: Boolean
  cast_id: Int
  character: String
  credit_id: String
  gender: Int
  id: Int
  known_for_department: String
  name: String
  order: Int
  original_name: String
  popularity: Float
  profile_path: String
}

type GET_movie__movie_id__credits_CrewEntry {
  adult: Boolean
  credit_id: String
  department: String
  gender: Int
  id: Int
  job: String
  known_for_department: String
  name: String
  original_name: String
  popularity: Float
  profile_path: String
}

type GET_movie__movie_id__credits_Root {
  cast: [GET_movie__movie_id__credits_CastEntry]
  crew: [GET_movie__movie_id__credits_CrewEntry]
  id: Int
}

type Query {
  GET_movie__movie_id__credits(
    movie_id: String!
    tmdb_access_token: String!
  ): GET_movie__movie_id__credits_Root
    @rest(
      endpoint: "https://api.themoviedb.org/3/movie/$movie_id;/credits"
      headers: [{ name: "authorization", value: "Bearer $tmdb_access_token;" }]
    )
}

Utterance: Who is the lead actor in the latest released movie?