Aldis Hodge (Jake Talley) will guest-star on Private Practice episode "Fear of Flying," airs tomorrow, Thursday, March 4 at 10:01/9:01c on ABC.
Amy Gumenick (Young Mary Winchester) will guest-star on Castle episode "The Mistress Always Strikes Twice," to air Monday, March 8 at 10/9c on ABC.
Source: Aldis Hodge Twitter, Amy Gumenick Twitter.