as Sergt. Dudfoot
as William Porter
as William Potts (archive footage) (uncredited)
as Dr. Benjamin Twist
as Benjamin Stubbins
as William Fitch
as Dr. Alec Smart
as Prof. Benjamin Tibbetts
as Captain Ben Cutlet
as Will Lamb
as Captain Benjamin Viking
as Prof. Davis
as Rev. Richard Jedd
as William Potts / Muller
