The Willio and Phillio act brought Ryan back into music and after moving to California, he began to write and record songs for Disney. He provided the voice of Rabbit, Tigger, and Eeyore in the Disney Channel's long-running series Welcome to Pooh Corner and in many other Pooh cartoons. He also provided the voice of Barnaby the Dog on the popular series Dumbo's Circus.
Since 1987, Ryan has been a fixture of the radio drama Adventures in Odyssey, playing Eugene Meltsner, Harlow Doyle, David Harley, Patrick O'Ryan and hundreds of one-shot characters.
He also voiced Rabbit in Winnie the Pooh and a Day for Eeyore after the death of Junius Matthews.
Ryan also voiced the character Digit in Steven Spielberg and Don Bluth's An American Tail. He also voiced the character of Petrie in The Land Before Time, another Spielberg and Bluth collaboration, of which George Lucas was also involved.
He appears in the film The Wizard of Speed and Time as several different motion picture union representatives.
He is the current voice of Elmo Aardvark. He can be heard as the character, called Elmo Aardvark: Outer Space Detective and in several Elmo Aardvark CDs.
Ryan's youthful involvement in pop music has continued alongside his animation career. Will Ryan compositions have been recorded by artists such as Patti LaBelle, Diane Schuur, Victoria Jackson, The Pointer Sisters and Joanie Sommers (whom he also produced).
With Andrew J. Lederer and Michael Rosenberg (Jackie Diamond), Ryan performed in the '20s-style music and comedy trio, The Merry Metronomes. He and Lederer also appeared from time to time as a duo, usually under the name The Natty Nabobs.
His latest musical incarnation is as leader of Los Angeles-based Will Ryan and the Cactus County Cowboys, a cross between the Marx Brothers and The Sons of the Pioneers. His variety show, Will Ryan's Cactus County Round-Up, has been a staple in Southern California since 2008. It regularly plays at several venues, including the Steve Allen Theatre in Hollywood.
Ryan continues to do voice work. In 2009, he was working on the third season of Mickey Mouse Clubhouse, the 21st season of Adventures in Odyssey and the new radio series of Will Ryan's Cactus County Round-Up.