In 1991, de Boer appeared in an episode of the science fiction series ''Beyond Reality'' in which she was directed by [[Allan Kroeker]], who later directed her in three episodes of ''Deep Space Nine''. After this initial appearance, de Boer won a recurring role on ''Beyond Reality'' as Celia Powell and again worked with Allan Kroeker in at least one other episode.
---- Les premiers rôles majeurs de sa carrière furent la série ''"[[Wikipedia:Deepwater Black|Deepwater Black]]"'' (ou ''"Mission Genesis"'') en [[1997 productions|1997]] et le film ''"[[Wikipedia:fr:Cube (film)|Cube]]"'' en 1997.