Organisations
Name_SORTNameEvent Dates EventsResources
Ottilia Littmarcks sällskap1880 – 189910 
Olaus Olsens Theaterselskab1883 – 190477 
Oda og Martinius Nielsen-turnéen189515 
Orleneff’s Russian Dramatic Company19063 
Otto Jacobsen Tourneen19171 
Oxford Union Dramatic Society19221 
The Oxford Players19243 
Os Comediantes de Lisboa19471 
Oslo Nye Teater (Centralteatret)1966 – 2009202
The Old Tote Theatre Company1967 – 19764 
Orchestra Sinfonica di Torino della RAI19711 
Orchestra dell'Accademia Nazionale di Santa Cecilia19791 
Oslo Internasjonale Teaterfestival19893 
Oasis Theatre Company1991 – 19943 
Opera Telemark19971 
Onafhankelijk Toneel1998 – 200927 
Oslo Moderne Teater20022 
Oslo Katedralskoles festsal20031 
Oregon State University Theatre20051 
Oslo Barne & Ungdomsteater 20061 
Orchestra del Teatro Carlo Felice20061 
OFF Escuela de Teatro y Cine200844
OBAMA-festivalen20091 
Over the Moon Productions20101 
Otterbein University Theatre20111 
Ole Morten Øwre Storhaug20121 
The Other Eye of The Tiger20231 
Oslo Fringe festival2023 – 20242 
Orchestra del Maggio Musicale Fiorentino (Maggio Orchestra)20241 
Orchestra del Teatro Massimo Bellini20242 
Orchestra del Teatro Lirico di Cagliari20241 
Omada Theatrou X-ACT ART (X-ACT ART Theater Group)20241 
Orion Pictures20251