as Knapp
as Mr. Stokes (as Russ Collins)
as Captain Phil Clarke
as Frederick Bauer
as Mr. Hastings
as Nat Perkins
as Watchman
as Doctor
as Dr. Robert MacPhail
as Niles Foster
as Mr. Qua
as Dr. Andrew Rand
as Beck
as Hobart Wyatt
as Hughie Colt
