Iconic visionary and entrepreneur Walt Disney is an innovative animator who, along with his brother Roy, formed Walt Disney Productions, which ultimately became one of the leading film studios in the world. He also envisioned and developed Disneyland and Walt Disney World.

P. L. Travers is the creator of "Mary Poppins", one of the most original and universally loved characters in modern children’s fiction.

Ralph is the friendly chauffeur assigned to drive the P.L. Travers around during her two-week stay in Los Angeles.

Richard Sherman is a composer and songwriter, who, with his brother Robert, wrote "Mary Poppins"' classic songs and original score.

Robert Sherman is a composer and songwriter who wrote "Mary Poppins"' classic songs and original score with his brother, Richard.

Don DaGradi is an animator and storyboard artist who co-wrote the screenplay for “Mary Poppins.”

Dolly is Walt Disney’s eager and efficient secretary.