Born in Palo Alto, California, Johnston attended Stanford University, where he worked on the campus humor magazine Stanford Chaparral with fellow future animator Frank Thomas, then transferred to the Chouinard Art Institute in his senior year. Ollie married a fellow Disney employee, ink and paint artist Marie Worthey, in 1943.
|Movie||The Making of Pinocchio: No Strings Attached||Himself (archival footage)||2009-03-10|
|Movie||Walt Disney Treasures: The Adventures Of Oswald The Lucky Rabbit||Himself||2008-01-01|
|Movie||The Incredibles||Additional Voices (voice)||2004-11-05|
|Movie||The Many Adventures of Winnie the Pooh: The Story Behind the Masterpiece||Himself - Animator||2002-05-07|
|Movie||The Iron Giant||Additional Voices (voice)||1999-08-06|