Richard Hatch voiced his concern about his character Apollo being so square and Starbuck being the focus of the majority of episodes to story editors Jim Carlson and Terrence McDonnell. They promptly reversed the names of the main characters in the second draft of "Experiment in Terra", turning yet another Starbuck adventure into an Apollo story.
John de Lancie, who makes a brief appearance, would go onto become best known for the role of Q in the Star Trek franchise.
Apollo inhabits the identity of a different person and interacts with a figure seen and heard only by himself. These would be two primary elements of the series Quantum Leap (1989), which was created and produced by series writer and producer Donald P. Bellisario.