Actor Stephen Lang.

Branagh stars in the new film adaptation of Shakespeare's "Hamlet." There's a companion book to the new film "Hamlet" which includes the screenplay, introduction, and film diary. Branagh's other films include adaptations of Shakespeare's "Henry the Fifth," with himself in the title role, Othello, playing Iago, "Dead Again," a psychological thriller starring Branagh and Emma Thompson, and "Much Ado About Nothing," also starring himself.

Actor Alec Guinness begin acting in classic English theater in the 1930s and 1940s. After World War II, he began to appear in films, and won an Academy Award in 1957 for his work in the film "The Bridge Over the River Kwai." He is known to a new generation of viewers as Obi Wan Kenobi from the Star Wars films. Guinness has recently published a memoir "Blessings in Disguise." (PARTIAL INTERVIEW)

We're living in an age obsessed with authenticity, says linguist Geoff Nunberg, but we often choose to nitpick the wrong details. Whether it's Downton Abbey, Mad Men, Lincoln or Argo, Nunberg argues, a historical novel or screenplay should give us a translation, not a transcription.