Guest Stars Kevin Manser as Zarbi Gerald Taylor as Zarbi Jack Pitt as Zarbi Hugh Lund as Zarbi John Scott Martin as Zarbi Robert Jewell as Zarbi Arne Gordon as Hrostar Roslyn DeWinter as Vrestin Ian Thompson as Hetra Martin Jarvis as Hilio Jolyon Booth as Prapillus Jocelyn Birdsall as Hlynia Barbara Joss as Nemini