Sarah Augusta was born and raised in Walnut Creek, California before attending Emerson College. Her focus is mainly on theater acting, having performed in several productions all over the United States. She belonged to the theater group "Kentucky Something" in Kentucky, and was involved in the company's production of "Something" in New York. Her brief role in "Finally, Lillian and Dan" was accepted largely as a favor to the director, the two being old friends from college.