Who was an American dancer, singer, and actor who hosted the anthology series "Alcoa Premiere"?
Flashing Spikes:  The hour-long drama revolving around a disgraced ex-baseball player (Stewart) was broadcast as an episode of the anthology series "Alcoa Premiere" hosted by Fred Astaire. Fred Astaire: Fred Astaire (born Frederick Austerlitz; May 10, 1899 – June 22, 1987) was an American dancer, singer, actor, choreographer and television presenter.
Fred Astaire