Gerald Isaac Stiller was an American actor, comedian and author. He spent many years as part of the comedy duo Stiller and Meara with his wife, Anne Meara, to whom he was married for over 60 years until her death in 2015. Stiller saw a late-career resurgence starting in 1993, playing George Costanza's father Frank on the sitcom Seinfeld, a part which earned him an Emmy nomination. The year Seinfeld went off the air, Stiller began his role as the eccentric Arthur Spooner on the CBS comedy series The King of Queens, another role which garnered him widespread acclaim. Stiller is the father of actor Ben Stiller, and the father and son appeared together in films such as Zoolander, Heavyweights, Hot Pursuit, The Heartbreak Kid, and Zoolander 2. He also performed voice-over work for television and films including The Lion King 1½ and Planes: Fire and Rescue. In his later career, Stiller became known for playing grumpy and eccentric characters who were nevertheless beloved.

On Seinfeld, he played George Costanza's father, George Costanza. As a film actor, he co-starred in Zoolander, The Heartbreak Kid, and Heavyweights.