as Vitus Tesla (archive footage)
as Mr. Wong (archive footage)
as Lyle Talbot (archive footage)
as Armand Tesla
as Rosalind Darrow
as Count Vega
as Mary Ankers
as Grant Gardner
as Detective Mike Flanigan
as Ace Zucco
as Edna Oliver
as George Carradine
as Angelina Weston
as Lucy Weston
as Madame Ouspenskaya
as Doctor Colin
as Mr. Buchannon - Attorney