as Uncle Millard
as Phillip Barbay
as "Center" Instructor
as Lord Malcolm Billings
as Basil Rathwood
as British Reporter
as Dr. McMerlin
as King Salazar (voice)
as Harvey Wilks
as Dr. Tiberius Scott
as Count (voice)
as Judge In Heaven
as Anton / Kreeger Paulovitch
as Cheshire
as Deane
as Father Rosetti
as Dr. Henry Davenport, the Invisible Man (voice)
as Smythe
as McReady
as Fenwick
as Mr. Waltham
as Graham Hainsworth
as Hal Conway
as Dr. Campbell
as Captain Oliver
as Bernard Thatch
as William Troubshaw
as Sir David Tushingham
as Judge (voice)
as Morgan
as Dr. Whitcomb
as Patrick Burke
as Gordon Chumley
as Commander (voice)
as Helford
as Dr. Menard
as Reginald Harrington
as Cats' Producer
as Duke Stone
as Vesti
as Horace Walpole
as Hector Paradiso
