Dwight Frye

as Haldine (uncredited)

as Zolarr

as Rudi a Vasarian

as Radio Operator

as Eddie Anders

as Gravet, 'the Jackal'

as Sidney Z. Wheeler

as Marshall (uncredited)

as Easton

as Dr. Thomas

as Karl

as Herman Gleib

as Fritz

as Jessop the Butler (uncredited)

as Wilmer Cook

as Renfield (archive footage) (uncredited)

as Renfield

as Vint Glade

as Monk, Gangster