Notable alumni include Tom Hanks (1977-79 as an intern and core company member, and later winner of the Cleveland Critics' circle for best actor in Festival's production of The Two Gentlemen of Verona), Donald Moffat, Larry Linville, Cloris Leachman, Piper Laurie, Obie Cytron, Jean Stapleton, Hal Holbrook and Olympia Dukakis.
Greco has directed many plays, short films, music videos & PSAs, working with actors such as Harrison Ford, Matthew Modine, and Cloris Leachman.
Her final movie appearance came in the 1979 Disney comedy The North Avenue Irregulars, also co-starring Harris, along with Cloris Leachman, Edward Herrmann and Karen Valentine.
It features the guest performances of LeVar Burton, Gary Cole, Barclay DeVeau, Indigo, Phil LaMarr, Cloris Leachman, Len Maxwell, Natasha Melnick, Nicole Sullivan, and Lisa Wilhoit, as well as several recurring voice actors for the series.