Guest Stars Bumper Robinson voices Falcon Laura Bailey voices Black Widow Clancy Brown voices Red Hulk William Salyers voices Truman Marsh James Arnold Taylor voices Leader Fred Tatasciore voices Troll #1 Travis Willingham voices Troll #3 Troy Baker voices Engineer Bumper Robinson voices Troll #2 Laura Bailey voices Mom Laura Bailey voices Little Boy James Arnold Taylor voices Young Man Roger Craig Smith voices Hobo