Carlos Oppus - Illingsworth O'flaherty
Janie Olsen - Jeffrey Olejniczak
Bisola Oyekola - Grace Obeng
Joel Ocasio - Delores Onesko
Mary Otts - Joshua Orshoski
Aurelia Okino - Donald Otvos
Shannon Ochse - Arthur Or
Yleana Oneil - Leonard Orme
Orestes Ortega - Douglas Ohnstad
Mitchell Ousley - Ray Okuda
Vicki Owens - Shawn Obermeyer
Shela O'hanlon - Ann Okner
Lucille Orlando - Leticia Ozuna
Lynne Oakley - Tom Okita
Nengi Oyerinde - Marymag Obioha
Elmer Orton - Patrice Orand
Shea Obear - Lori-Ann Ouellette
Anthony Okumura - Gregory Orpen
Erin O'callaghan - Margaret O'bannion
Albert Ong - Kalina Ogden
Lucian Osuji - Robert Oseles
Linda Orama - Cisco Oechsner
Rintaro Okoshi - Rick Oleszczuk
Stuart Oliver - Frank Oram
Margie Onderisin - Teresa Opalach
Daniel Orofino - Nicole Orlicek
Therese Oneil - Fotmie Odly
Brigitte Ostrander - Venny Ortiz
William Ordoez - Norine Occhipinti
Erlinda Oasay - Maggie Orli
Cordelia Okwuosah - Susan Onson
Rickey Olive - Matt Obarr
Padraic Oregan - Kenneth Olding
Gayle Overing - Velma Olvera
Chrisandra Obregon - Pamela Oleszkowicz
Jerry Ostransky - Graig Oechsner
Louie Olds - Nancy Okabe
Stephen Oras - Bud Overcash
Stefanie Okuda - Cris Ormando
Brew Ocallaghan - Charlie Ongking
Genadi Oslanker - Jockey Oliver
Easter Overton - Marita O'hannessian
Glenn O'donnell - Judy Onghai
Issoufou Ouattara - Russell Osterberg
Cheryl Otnott - Marco Oyola
Jean Owono - Kevin Odum
Sharla Olmos - Cynthia Onello
Tayo Odukoya - Karen Ortutay
Patrick O'lear - Mufeed Odeh
Kenneth Overmier - Darla Overman
Kenneth Oellien - Austin Otagburuagu
Ginny O'kelley - Cindy Ozuna
Marceline Olson - Mary Ouzts
Letitia Ogo - Jodi Olivares
Helen Odonohoe - Juliana Orrick
Kristie Onaindia - Joyce Oestreich
Laurel Oates - Adam Orten
Luther O'quinn - Marchia Oates
Virgil Oligmueller - Allan Owens
Alexis O'neal - Jonathan O'connor
Precious Ohanlon - Crystal Olko
Jonathan Odess - Bobby O'neal
Routh Olsen - Art O'strander
Seth O'shields - Leigh Owenby
Rita Osborne - Remilekun Oyekan
Yoshio Oono - Chester Oatley
John Ostrye - Richard Olmos
Robert O'nale - Donielle Orgeron
Wesley Odom - Annie Olivas
Mitchell Oltean - Matthew O'donegan
Leonardo Orellana - Ludvik Orsak
Suzanne Osterstrom - Donald Ozga
Dave Ondrovic - Harold O'keefe
Jennifer Olalde - Shirley Odulio
Alice Oxley - Phillip Oswald
Mariola Ostachiewicz - Jean-M Otoole
Sarah Oaklief - Sharon Osteen
Peggy Oakley - Alba Omogrosso
James Ohls - Jamal Ortiz
Paulette Okita - Jeraldine Overby
George Obsniuk - Jason Ohern
April Oler - Lucila Ortiz-Deliz
Cindy Owusu - Stephen Oranellas