as RCMP Sgt. Renfrew
as Madeleine Lewis
as Uncle Dinwiddie
as Morgan
as Professor Burton Lewis
as Inspector Warner
as Constable Kelly
as Hawthorne
as Henchman Gary
as Speavy
as Whispering Smith
as Henchman Hutchins
as Henchman Brownie
as Pilot Buzz Murphy
as Radio Operator
as Henchman Butch
as Mechanic Greaseball
as Pa, Man in Nightshirt
as Ma