Problem Child (film) - Cast

Cast

• John Ritter as Ben Healy, he is a caring person and wants to have a kid. He adopts Junior and bonds with him. He is hated by his wife, neighbors and father.
• Michael Oliver as Junior, the main protagonist and the mischievous prankster in the titular film. He was returned to the orphanage 30 times as he always causes trouble wherever he goes. Junior is often surrounded by selfish people which gives him the need to punish them with his pranks, thus making himself hated by those around him. He has a devious but inventive mind and is also good with electricity and machinery. Junior desires to have a family and he eventually meets Ben, who he develops a bond with as Ben is the only one who is ever nice to him.
• Jack Warden as Big Ben Healy, the rich, but selfish father of Ben. He hates Junior, having called him the devil upon their first meeting. He runs for Mayor of Cold River but lost the election due to insulting the citizens on TV (the result of Ben purposely turning the camera on when Big Ben refuses to help him rescue Junior.)
• Gilbert Gottfried as Igor Peabody, works with the orphanage and thinks that Junior at first is an angel but turns out he is wrong and cons Ben and Flo into taking Junior. Later he reveals that Junior was returned 30 times to the orphanage.
• Amy Yasbeck as Flo Healy, she is the wife of Ben and hates Junior. The only reason she wanted to adopt was so she could get invited to neighbors' parties and dinners. She is quite selfish and unfaithful to Ben as she makes love to Martin in the kitchen.
• Michael Richards as Martin "The Bow Tie Killer" Beck, the escaped convict and wears a bow tie and says he is just misunderstood. He has cravings for a clown-themed snack called 'Smiley Pies', even though he (like Junior) hates clowns. Serves and reveals as the antagonist in the film.
• Peter Jurasik as Roy, Ben and Flo's neighbor. He thinks that he is a Super Dad due to his wife's pregnancy. He scared the kids with a bear costume and was mistaken for a real bear by Ben and is hit with a frying pan.
• Dennis Dugan as Father in the store (cameo)
• Colby Kline as Lucy, the neighbor's selfish, mean and spoiled 6 year old. She begrudgingly invites Junior to her birthday party at her mother's insistence. She tells Junior he isn't allowed to watch the magic show at her birthday party for touching her presents, but Junior get his revenge by ruining her party down by the river.