[3] Bach was born in Warren, Ohio,[1] the daughter of Norma Jean Kucera (née Verdugo), an acupuncturist, and Bernard P. Bachman, a rancher.

[4] Her mother was a daughter of Antonio L. Verdugo, of Bisbee, Arizona, a baker born in Mexico,[5] while her father was of German ancestry.

She briefly majored in drama at UCLA, where she supplemented her income by making clothes for friends and theater groups.

[13] One of the earliest costume ideas from the producers was that she wear a tight white turtleneck, go-go boots and a poodle skirt, but Bach asked if she could bring her own outfit, which was a homemade T-shirt, a pair of cut-off denim shorts and high heels.

When prompted by the producers to visit a restaurant across the street, Bach found the waitresses were wearing "little miniskirts that matched the tablecloths!

[15] The poster once caused a stir when Nancy Reagan took a liking to it after Bach visited the White House with one as a gift for one of her former schoolteachers then working there.

In 2012, Bach joined the cast of CBS daytime soap opera, The Young and the Restless in the recurring role of Anita Lawson.