In 1955, he joined the staff of WDSU-TV, replacing Ed Nelson on "Tip-Top Space Ship," as Sparky.
He then had success as Deputy Oops in "Adventures in Fun," in 1960.
A bigger success followed when he was the voice of Pete the Penguin, to the Christmas marionette, Mr.
Bingle.
At WDSU, he was also Producer of the "Second Cup" show, with Bob & Jan Carr.
He was also entertainment critic on the popular program, "Midday" (1963–73), with Terry Flettrich, where he interviewed many stars of the theatre and cinema.
Throughout his career, Shea wrote on various facets of the Fine Arts and of entertainment, for varying media, and was often heard on radio, as well.
As an actor, Shea was seen in New Orleans in Our Town, The Boy Friend, The Merchant of Yonkers, Night Must Fall, Bye Bye Birdie, Mister Roberts, and All the King's Men.
He also directed local productions of Lo and Behold! and Life with Father.
His final stage appearance was in 1998, in Puss in Boots.