Watch Video

Watch exclusive scenes from AMERICAN MASTERS' "The Brothers Warner."

Narrated by Harry Warner's granddaughter Cass, "The Brothers Warner" is a portrait of the film pioneers who founded and ran the WB studio for over 50 years.

Cass Warner Sperling writes about her memories of her grandfather, Harry Warner, and his brothers: Albert, Sam, and Jack.

Cass Warner Sperling, granddaughter of Harry Warner, and narrator of the "The Brothers Warner," speaks to AMERICAN MASTERS.