HOST & ASSISTANTS	ACTOR	MEDIA	TITLE
Octavian Hallow	Frank Wilmoth	Television	The Haven Falls Horror Fixx (Monster Channel)
Officer Not-So-Friendly	Paul Dancer	Television	Zomboo's House of Horror Movies (KOLO-TV)
Old Nancy	Adelaide Fitz-Allen	Radio	The Witch's Tale (WOR-Radio)
Old Nancy	Martha Wentworth	Radio	The Witch's Tale (WOR-Radio)
Old Nancy	Miriam Wolfe	Radio	The Witch's Tale (WOR-Radio)
Oliver	Chris McCabe	Television	Oliver's Twisted Bargain Basement Midnight Movie Stoner Friendly Freak Show
Oliver "The Caretaker" Collins	Oliver Collins	Television	Spine Chilling Cinema
Omentor	Raymond Edward Johnson	Radio	Tales of Tomorrow
Oogsley	Brandon Lunday	Television	Chiller Cinema
Ookie	David Hartman	Internet	Thriller Chiller Theatre
Original Cyn	Cyan Renteria	Television	FrightMare Theater (Spydar TV)
Original Cyn	Cyan Renteria	Television	Pale Moonlight Theater (Spydar TV)
Ormon Grimsby	Craig Vance (Roger Kongstein)	Television	Monster Creature Feature (Time Warner Cable)
Ormsby's Deceased Mother	?	Television	Ormsby's Cinema Insane
Orville	Ronny Bom	Television	Shock Theatre (WBKB-TV)
Oscar The Ogre	David (Dave) Ivey	Television	Wolfman Mac's Chiller Drive-in (WMYD TV)
Otis The Kritter Gitter	?	Television	Dr. San Guinary's Creature Feature
Otto	?	Television	It Came from the Basement