Eva Le Gallienne (female, mid 30s)
The Mother (female, early 40s): Mimsey Benson, Julie Norregaard, etc.
The Lover (female, late 20s): Josephine Hutchinson, Constance Collier, etc.
The Diva (female, mid 50s): Alla Nazimova, Eleonora Duse, etc.
The Man (male, late 30s): Pepi Schildkraut, Richard Le Gallienne, etc.
Facility with dialects is essential.
All five actors can be any ethnicity: the aim is to represent the essence of each character track, not to look like the historical figures each actor plays.