Meredith Oakes
René de ObaldiaAndré ObeySean O'CaseyEdwin O'Connor
Frank O'connor.
Clifford OdetsMark O'Donnell
Adam Oehlenschläger
Gerd Oelschlegel
Tamsin OglesbyHubert Ogunde
Kola Ogunmola
Mary O'Hara
Georges Ohnet
Okamoto Kido
John O'Keefe
Mary Oldfield
Adam Oliensis
John Olive
Reggie Oliver
Lauro Olmo
Esther Olson
Hagar Olsson
Yuri Karlovich Olyesha
Mary O'MalleyEugene O'NeillGeorge Oppenheimer
Orhan KemalAlfredo Oriani
Istvan OrkényBen Orkow
Mary Orr
Orta Oyunu
Joe OrtonPaul Osborn
John Osborne
Philip OsmentLuis Enrique Osorio
Suzanne Osten
Aleksandr Nikolayevich Ostrovsky
Thomas Otway
Eric Overmyer
Rochelle Owens
OyamO
Guillaume Oyono-Mbia
Turgut Özakman