What actors and actresses appeared in The Lash - 1927?

You are likely thinking of the 1928 film "The Last Warning" which starred Laura La Plante as Helen Trent, and Marceline Day as The Mysterious Woman.

There appears to be no record of a film called "The Lash" from 1927.

If you have more details about the film, such as the director or a plot synopsis, it might help to identify it.