Sig Arno was an actor and director.
The Great Dictator
as Compact Parachute Inventor (uncredited)
Schubert's Dream of Spring
as Ferdi Klebinder
Spelunke
The Hunchback of Notre Dame
as Tailor
Gambling Daughters
as Prof. Bedoin
The Armored Vault
as Sandy
Pandora's Box
as The Stage Manager
Hodgepodge
as Self (archive footage, as 'The Inspector')
The Palm Beach Story
as Toto
Tales of Manhattan
as Piccolo Player
Hellzapoppin'
as Orchestra Bass Player (uncredited)
The Mummy's Hand
as The Beggar-Henchman
On Moonlight Bay
The Mummy's Tomb
as The Beggar (archive footage / uncredited)
They Dare Not Love
as Louis
A Song to Remember
as Henri Dupont (uncredited)
Diary of a Lost Girl
as Brothel Visitor
Du Barry Was a Lady
as Nick (uncredited)
Pardon My Sarong
as Marco the Magician (uncredited)
The Toast of New Orleans
as Mayor