
Acting
Garry Kent Marshall (November 13, 1934 – July 19, 2016) was an American actor, director, writer and producer. His notable credits include creating Happy Days and The Odd Couple and directing Nothing In Common, Pretty Woman, Runaway Bride, Valentine's Day, and The Princess Diaries.
Description above from the Wikipedia article Garry Marshall, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Chicken Little
2005

The Happy Days of Garry Marshall
as Self (archive audio)

Suzi Q
as Self

Score: A Film Music Documentary
as Self
Robin Williams: Behind Closed Doors
as Self

Tempest Storm
as Himself

Scooby-Doo! and KISS: Rock and Roll Mystery
as Manny Goldman (voice)

Life After Beth
as Grandpa

The Hooping Life
as Himself

Valentine's Day
as Musician (uncredited)

Race to Witch Mountain
as Dr. Donald Harlan

Celebrity Family Feud
as Self · 1 ep.

The Odd Couple
as Walter Madison · 1 ep.

BoJack Horseman
as Abe D'Catfish (voice) · 1 ep.

Penn Zero: Part-Time Hero
as Soda Jerk (voice) · 2 ep.

Brooklyn Nine-Nine
as Marvin Miller · 1 ep.

Liv and Maddie
as Vic Defazerelli · 1 ep.

Hot in Cleveland
as Ari · 1 ep.

The Sarah Silverman Program.
as Sharkcorp President · 1 ep.

On the Lot
as Self - Host · 16 ep.

Brothers and Sisters
as Major Jack Wiener · 2 ep.