Stars (in credits order)
Martin Benson
Astyages, King of the Medes
Wilfred Walter
Harpagus
Gordon Phillott
A Wise Man
Douglas Hayes
A Cowherd
Mona Lilian
Spaca
Dawson France
Cyrus
John Levitt
Atradates
John Allen
Atembares
Harry Lane
A Median guard
Marcia Manolescue
Friend of Cyrus
Leonard Davey
Barry Martin