 Originally, the filmmakers intended for Hasford to receive an "additional dialogue" credit, but he fought for and eventually received full credit.The writer took two friends and visited the set dressed as extras, only to be mistaken by a crew member for Herr when Hasford identified himself as the writer whose work the film was based on.Kubrick's daughter Vivian—who appears uncredited as a news-camera operator at the mass grave—shadowed the filming of "Full Metal Jacket."