Silo co-starred with Larry Blyden, Dawn Nickerson and Diahn Williams in the NBC sitcom Harry's Girls, about a vaudeville troupe touring Europe.

She also made guest appearances in episodes of numerous TV series from the 1960s to the 1990s, including Alfred Hitchcock Presents, Hawaiian Eye, McHale's Navy, Route 66, Gunsmoke, Bonanza, Wagon Train, Have Gun Will Travel, The Many Loves of Dobie Gillis, Sea Hunt, Ripcord, Hazel, Combat!, Batman, The Man from U.N.C.L.E., The Love Boat, L.A. Law and The Wild Wild West.

Silo began her voice-acting career as a talking cow in a series of Land O' Lakes Margarine commercials for over ten years.

In addition, she has done animated cartoon voices for Hanna-Barbera, Marvel, Disney, Ruby-Spears, DIC, Film Roman, Murakami Wolf Swenson and many others.

[10] Her most known roles include Wuya in Xiaolin Showdown, Sartana of the Dead in El Tigre: The Adventures of Manny Rivera, Dr Karbunkle in Biker Mice from Mars, White Queen on Pryde of the X-Men, multiple voices on What A Cartoon, Sue on Pac-Man and Tess on Zazoo U.