[1] Her older sister Kathleen Foster Comegys (1893–1984) was also an actress.

[2][3] Foster's Broadway and other major stage credits included roles in The Blue Bird (1910), Romance (1913),[4] Miss Daisy (1914),[5] A Full House (1914),[6] Cousin Lucy (1915), Abe and Mawruss (1915–1916),[7] The Girl in the Limousine (1919-1920), Ladies' Night (1920–1921), Two Fellows and a Girl (1923),[8] Applesauce (1924), The Lady Killer (1924), Cheaper to Marry (1924), The Patsy (1925),[9][10] Sinner (1927), Trigger (1927),[11] Eva the Fifth (1928),[12] Gypsy (1929),[13] Other Men's Wives (1929),[14] Blind Mice (1930), A Widow in Green (1931),[15][16] And Shadows Fall (1945),[17] Dearly Beloved, Mr. Sycamore,[18] and Cat on a Hot Tin Roof (1956).

[21] After she retired from the stage, Foster produced a program at WINK-TV in Fort Myers, Florida.

[22] In 1915, Claiborne Foster married naval lieutenant James McDowell Cresap.

[24] They married in 1932, and moved to Rio de Janeiro;[18] she was widowed a second time when Rice died in 1943.