William Buckley

as Harvey Cahill

as Victor Castle

as Robert Ridley

as Peter Ruddock

as Milton Norworth

as Butler

as Harold Lynne

as Archer Aitken

as Philip Evans

as Dr. Harris Jr.

as Reginald Travers (aka Putnam Bradley Stone)

as Rodney Curtis

as Arthur

as Douglas McLeod

as Tombstone Reilly

as William Estabrook