Tony Hale
Nicholas Benedict / Mr. Curtain (8 eps)
Kristen Schaal
Number Two (8 eps)
Mystic Inscho
Reynie Muldoon (8 eps)
Seth Carr
George 'Sticky' Washington (8 eps)
Marta Timofeeva
Constance Contraire (8 eps)
Emmy DeOliveira
Kate Weatherall (8 eps)
Lex King
Ilsa (1 eps)
Haley Joel Osment
One (1 eps)
Harriet Sansom Harris
Rowena (1 eps)