Here are 3 more casting calls that my contact has just had landed on his desk. Also note I can confirm that Jack Bender will be directing this episode.
So speculate away as to who this lost are!
[YOUNG EMILY] Caucasian. 10 year-old, brunette. Green eyes. Cute, precocious and confident. Willing to bend the rules to get what she wants. CO-STAR.
[YOUNG BOB] Caucasian. 10 year-old, dark strawberry blonde, or reddish-brownish, blue/green eyes. Cute, nervous about breaking the rules but has an adventurous streak. CO-STAR.
[MR. SPRINGER] Caucasian. 50s. Kindly but can be a hard-ass when necessary. Owns his own rural business. Worked hard to get where he is and provide for his family. CO-STAR.
Source: DarkUFO