[4] In July and August 1951, she performed in summer stock in upstate New York, appearing in productions of Fay Kanin's Goodbye, My Fancy, starring Sylvia Sidney,[5] and Leonard Bernstein's On the Town, starring Nancy Walker of the original Broadway cast.

[4] By her own account, it was Shalet's selection for the charter company at Lincoln Center Repertory Theater that truly launched her career.

They include Bonanza, Born Free (TV series), “The Phil Silvers Show”, and Cagney & Lacey.

[10] A life member of The Actors Studio,[11] she was the author of the 1994 novel Grief in a Sunny Climate, (ISBN 0-312-11054-5)[10] which a review in The New York Times described as a "deceptively silly story to disguise some serious lessons about sorrow and dependency.

[12] In 1969, Shalet married actor Michael Strong,[13] with whom she had recently co-starred—alongside Glynn Turman, under Vinnette Carroll's direction—in a revival of William Hanley's Slow Dance on the Killing Ground.