Michael Ensign ( Doctor Hackenstein
)
Anne Ramsey ( Doctor Hackenstein
)
Stacey Travis ( Doctor Hackenstein
)
Phyllis Diller [I] ( Doctor Hackenstein
)
Logan Ramsey ( Doctor Hackenstein
)
David Muir ( Doctor Hackenstein
)
Jeff Rector ( Doctor Hackenstein
)
Cathy Cahn ( Doctor Hackenstein
)
Christy Botkin ( Doctor Hackenstein
)
Catherine Davis Cox ( Doctor Hackenstein
)
John Alexis ( Doctor Hackenstein
)
William Schreiner ( Doctor Hackenstein
)
Sylvia Lee Baker ( Doctor Hackenstein
)