Hortense Rhéa in her production of Josephine, written by Albert Roland Haven of Rochester NY[6][8][9] Following three years with the company headed by Mlle.

[6][11] Hackett was noted as a Shakespearean actor and lecturer, performing as Henry VIII, Macduff (Macbeth), Claudio and Horatio (Hamlet), Lysander (A Midsummer Night's Dream), Florizel (A Winter's Tale), Benvolio (Romeo and Juliet) and Cassius (Julius Caesar.

[6] A notable starring performance was in Satan Saunderson,[14] produced by Stair and Nicolai at the American Theatre (St. Louis; 1911) directed by Jessie Bonstelle.

[15] Other roles he appeared in included: Alexander the Great (under the management of Wagenhals and Kemper);[16] Double Deceiver (1913);[17] The Knife by Edward Sheldon (c. 1917);[5] Classmates, by William C. DeMille;[6][18] Enter Madam;[19] Beau Brummel; and Little Shan Toy.

He stated that Mrs. Fiske (first cousin to Robert Stevens, the managing director of the Community Players) was the pioneer of the 'ultra modern' school of acting, which considered taboo anything that "savors of exaggeration in voice or action.

That's the important thing, and all the 'drawing room manner' you can command on the stage is ineffective if the audience cannot hear those cultured voices or understand those gentle gestures.