What actors and actresses appeared in The Guiding Light - 1915?

There was no show called "The Guiding Light" in 1915. The Guiding Light premiered on October 25, 1937, originally as a 15-minute radio drama.

You might be thinking of a different show or have the date mixed up.

If you'd like to know more about "The Guiding Light" and its cast, please specify which era you are interested in.