She started her television career in the 1963 situation comedy My Three Sons, and in 1965 appeared in her first movie, The Girls on the Beach.

[1] Marshall was born in Wichita, Kansas, graduated from Wichita East High School,[2] and attended Colorado State College, (now called University of Northern Colorado) in Greeley, Colorado.

[3] Her interest in acting developed at Little Theatre of the Rockies and the Oregon Shakespeare Festival.

[4] In 1968 she attended the Palermo Conference in the Mediterranean of the Baháʼí Faith and then volunteered some time as a guide at the Baháʼí World Center.

This article about a United States film and television actor born in the 1940s is a stub.