Kadro (9)
Kane RichmondJim Marsden
Kay AldridgePatricia Harding
Roy BarcroftCarter / Kane
Clancy CooperYank
Marshall ReedTommy (as Marshall J. Reed)
Oscar O'SheaJohn Galbraith [Chs. 1, 7, 15]
Forrest TaylorDr. Oliver Harding [Chs. 1-4]
Hal TaliaferroLawson [Ch. 1, 6-7]
Edward KeaneFredrick Vorhees [Ch. 1]