Anthony is also a veteran stage actor. Since 1980, he has appeared in over 50 productions including The Breakfast Club (John Bender), Equus (Horse), Sherlock Holmes (Jim Craigin), The Boys Next Door (Barry), Auntie Mame (Patrick Dennis), The Grapes of Wrath (Al Joad), A Few Good Men (Lt. Kendrick), The Rocky Horror Show (Rocky), Frankenstein (The Creature), The Bad Seed (LeRoy), Treasure Island (Blind Pew/Israel Hands), Dracula (Count Dracula), The Wizard of Oz (Tin-Man), and Inherit the Wind (Rev. Jeremiah Brown).