User: Give me a list of films in which Walter Whitman appeared while he was under the age of 60.
Assistant: Walter Whitman, an American actor in silent films, was born in 1859, so he was age 60 in 1919. Here is a list of the films he appeared in before 1919:

The Heart of Humanity (1918)
Desert Law (1918)
Daughter Angele (1918)
They're Off (1918)
The Price of Applause (1918)
False Ambition (1918)
Everywoman's Husband (1918)
His Enemy, the Law (1918)
The Last Rebel (1918)
Old Hartwell's Cub (1918)
Captain of His Soul (1918)
The Hopper (1918)
Without Honor (1918)
The Regenerates (1917)
The Firefly of Tough Luck (1917)
The Tar Heel Warrior (1917)
Polly Ann (1917)
Wee Lady Betty (1917)
The Girl, Glory (1917)
The Millionaire Vagrant (1917)
The Desert Man (1917)
Paddy O'Hara (1917)
The Boss of the Lazy Y (1917)
The Dark Road (1917)
The Last of the Ingrams (1917)
Princess of the Dark (1917)
The Sin Ye Do (1916)
The Criminal (1916)
The Honorable Algy (1916)
The Three Musketeers (1916)
The Mating (1915)