Donald Barry Brown was an American author, playwright and actor who performed on stage and in television dramas and feature films, notably as Frederick Winterbourne in Peter Bogdanovich's Daisy Miller (1974), adapted from the classic Henry James novella (1878). Bogdanovich praised Brown's contribution to the film, describing him as "the only American actor you can believe ever read a book."

Daisy Miller is a 1974 American drama film produced and directed by Peter Bogdanovich, and starring Cybill Shepherd in the title role. The screenplay by Frederic Raphael is based on the 1878 novella of the same title by Henry James. The lavish period costumes and sets were done by Ferdinando Scarfiotti, Mariolina Bono and John Furniss.