On television, she appeared in Bourbon Street Beat, The Red Skelton Hour, Perry Mason, Branded, I Spy, Get Smart, The Monkees, The Flying Nun, Gomer Pyle, U.S.M.C., Love, American Style, The New Dick Van Dyke Show, Night Gallery, Kolchak: The Night Stalker, Sanford and Son, Laverne & Shirley, Alice, Mork & Mindy, Murder, She Wrote, The Red Hand Gang as child-kidnapper Lola, and Matlock.

[1] In 1967, in arguably her most prominent single movie role, she portrayed Hedy La Rue in the film version of the Broadway hit How to Succeed in Business Without Really Trying.

After several more movies, she headed back to Broadway for Something Different, a play written and directed by Carl Reiner, and starring Bob Dishy and Linda Lavin.

In a 2007 book, Glamour Girls of Sixties Hollywood, author Tom Lisanti wrote that in the late 1960s, this “light leading lady with the kewpie doll voice was the popular choice to play kooky gold diggers and dumb bimbos.”[3] Arthur was married to musician George William Weidler from 1957 to 1970 when they divorced.

Arthur died on June 15, 2022, in her home in Beverly Hills, California, at the age of 88 from natural causes after a long battle with Alzheimer's disease.