It has previously been announced that both Ron Perlman and Selma Blair will appear in the Hellboy sequel. Here is what Del Toro had to say:
John Hurt is back for a cameo.
Myers is not back (see Rupie in KISS OF THE SPIDER WOMAN in the London stage!!).
Universal has NOT authorized a brief Kroenen cameo/ epilogue- yet.
Johann will be played by John Alexander (body) and Tomas Kretschmann (voice).
Dougie will play 4 characters.
Brian Steele will play 4 characters.
Anna Walton is the actress playing Princess Nuala.
Luke Goss plays Prince Nuada. Silverlance.
Roy Dotrice plays King Balor
Filming starts this Friday, June 8 in Budapest. Hellboy 2: The Golden Army will be released on August 1, 2008.
Hellboy II: The Golden Army was released July 11th, 2008 and stars Ron Perlman, Selma Blair, Doug Jones, John Alexander, James Dodd, Seth MacFarlane, Luke Goss, Anna Walton. The film is directed by Guillermo del Toro.