as Dr. Dreyfuss
as Agent Charles Pope
as Harold Y. Cole
as CWO Sam Jacobs
as Muscleman (uncredited)
as Harry
as Doctor Linus Tyler
as Billy the Janitor
as Christmas Morgan
as 'Murph' Podolsky - riverboat band Mgr.
as Jake Birnbaum
as Detective Pope
as Chief Engineer Pringle
as Matthew Cutter
as Det. Mace
