William Ricciardi was an Italian actor known for his role as Signor Baldini in San Francisco (1936). He also appeared in the Phil Rosen film The Heart of a Siren (1926). In Anthony Adverse (1936) he had a splendid cameo as the talkative coachman who converses with Adverse, played by Fredric March.

San Francisco is a 1936 American musical-drama disaster film directed by W. S. Van Dyke, based on the April 18, 1906 San Francisco earthquake. The film stars Clark Gable, Jeanette MacDonald and Spencer Tracy. MacDonald's singing helped make this film a major hit, coming on the heels of her other 1936 blockbuster, Rose Marie.