Born in England in 1811, Thomas Blades (Bladies) de Walden made his first appearance on the English stage in 1841, then traveled to New York for his premier on the American stage at Park theatre in 1844 (Wilson and Fiske 158). Identified by William Winter as a regular at Pfaff’s during the Bohemian days, de Walden was active in the New York stage community as both an actor and a playwright (Old Friends 88). Mark Lause also labels de Walden as one of the frequent actors who inhabited the vault at Pfaff’s (60).
Clara Louise Kellogg was born in Sumterville, South Carolina to a musical family, particularly in her mother, father, and maternal grandmother. In her biography, Kellogg claims that her first musical efforts occurred at the age of ten months, when she attempted to sing in mimesis of her “negro mammy.” The family relocated to Birmingham, Connecticut, where Kellogg continued to demonstrate her interest and talent in singing and playing the piano. After her father, a “dignified scholar,” failed and moved the family to New York in 1857, Kellogg was discovered by Colonel Henry G.
Maurice and Max Strakosch were brothers who emigrated from Austria. Their connection to the Pfaff's circle is tenuous; only two known sources tie them to Pfaff's directly. Furthermore, the sources indicate that contemporaries may have confused Maurice and Max with one another.
Wallack’s Lyceum was located in Broadway near Broome Street. Its productions included original works by Pfaffians John Brougham, Stephen Ryder Fiske, and Fitz-James O’Brien. The Lyceum, run by James W. Wallack, was at one time the leading theater in New York City.