Dermott Downs
Marc Guggenheim
Greg Berlanti
Glen Winter
Andrew Kreisberg
Geoff Johns
Aaron and Todd Helbing
Jeremy Carver
Keto Shimizu
Beth Schwartz
Joseph David-Jones
Tyler DiChiara
Julie Plec
Ralph Hemecker
David S. Goyer
Nathan Hope
Mairzee Almas
Eric Kripke
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Ralph W. Hemecker is an American director, writer, and producer. He directed episodes of the drama series Once Upon a Time and The Flash. Wikipedia