Tannis Kathleen Vallely (December 28, 1975 in New York City) is an American casting director and former child actress. She played Zoé in the French film Une Femme ou Deux (English: One Woman or Two; 1985). She played Janice Lazzarotto on the ABC sitcom Head of the Class and Mary on 3-2-1 Contact. She was a casting associate for X-Men Origins: Wolverine (2009) and Total Recall (2012) and casting director for 1600 Penn (2012–13) and Siren (2018-20).