Alaina Reed Hall, the beloved actress who starred on 'Sesame Street' and '227' after appearing on Broadway, lost her battle to breast cancer on Dec. 17 at Saint John's Health Center in Santa Monica, Calif. She was 63.

According to the Los Angeles Times, Reed Hall was diagnosed with a terminal form of the disease in 2007.

Following her humble beginnings in the 1974 off-Broadway production 'Sgt. Pepper's Lonely Hearts Club Band on the Road,' the Springfield, Ohio, native joined 'Sesame Street' in 1976, where she played a professional photographer named Olivia.

In a 2004 interview, Reed Hall described the pivotal role as "the best job I ever had."