William Buckley

as Tombstone Reilly

as Butler

as Archer Aitken

as Victor Castle

as Milton Norworth

as Rodney Curtis

as Arthur

as Harold Lynne

as Reginald Travers (aka Putnam Bradley Stone)

as Peter Ruddock

as Clifford Hamilton

as Robert Ridley

as Harvey Cahill

as Douglas McLeod

as Dr. Harris Jr.

as William Estabrook

as Philip Evans