Conversation so far:
What was Charlie Chaplin's first role?
Charlie Chaplin made his first amateur appearance at the age of five years, when he took over from Hannah one night in Aldershot.
Did Charlie Chaplin perform with any groups?
At 19, Charlie Chaplin was signed to the prestigious Fred Karno company, which took him to America.
Did Charlie Chaplin perform in any plays?
Saintsbury secured a role for Charlie Chaplin in a Charles Frohman production, where he played Billy the pageboy in three nationwide tours.

Question: What was the name of that play?
Self-contained rewrite: What was the name of the play Charlie Chaplin performed in where he played the pageboy?