Fan Casting Willem Dafoe as Sinister Slug in The Adventures of Mermaid Man and Barnacle Boy

Willem Dafoe is known for his roles in John Wick, Spider-Man, and Finding Nemo. He has been suggested by fans for 16,624 roles on myCast, including Joker in DCEU Rebooted. Similar actors include Bill Skarsgård, Joaquin Phoenix, and Jim Carrey. Willem Dafoe was suggested to play Sinister Slug in The Adventures of Mermaid Man and Barnacle Boy by nathanewing. Other actors sugggested to play this role include Andy Serkis. The Adventures of Mermaid Man and Barnacle Boy has 17 roles, including Mermaid Man, old Mermaid Man, and Barnacle Boy.