The aide to Commodore José Mendez at Starbase 11 in 2267, who greeted Kirk, Spock and McCoy on their arrival and briefed them on the classified matter of Talos IV.
Miss Piper appears in The Menagerie, Part I. She works in the commodore's office at Starbase 11 and meets the Enterprise officers when they arrive in answer to a message that the base insists it never sent.
She tells Kirk that she recognises him from the description given by a mutual friend, Lieutenant Helen Johansson, a remark that visibly embarrasses the captain in front of McCoy.
Later she is present as Mendez and Kirk go over the puzzle of the false summons and Spock's long service under the crippled Fleet Captain Pike, shortly before Spock abducts Pike and makes off with the Enterprise. She was played by Julie Parrish.