as Dr. Maynard Drew
as Sir Edward Leighton
as Lawson
as John Strickland
as Pike
as Robert Sinclair
as David Poe Jr (as Hugh E. Thompson)
as John Schuyler
as Ross Kennion
as Sir John Dare
as José María Lavendera
as John Alden
as Jeb
as Prince Hero
as Harold Chase
as Henry Taylor
as Col. Rudolph von Knorr
as Cecil Andrews
as Hugh Maxwell
as John Arms
as Howard Rosedale
as George Evans
as Salvatore, Ruth's father
