Teddy was an Undermain Theatre Company member until he passed away in December of 2017. His first collaboration with Undermain was Vinegar Tom in 1988. Also at Undermain: Poor Folk's Pleasure, Nightcoil, Cabaret Epiphany, Goose and Tomtom, Red Plays, Camino Real, The Castle, The Possibilities, A Child’s Christmas in Wales, The Conference of the Birds, and Abraham Zobell’s Home Movie; as well directing and adapting: Comedy of Errors and Venus and Adonis. Dallas Theater Center credits include: Tartuffe, As You Like It, Little Mahogany, Room Service, All's Well, South Pacific, A Christmas Carol, and his solo cabaret "A Capital Idea". Theatre Three credits: Silvia, June Moon, Amphitryon. Dallas Shakespeare: Othello, A Midsummer's Night Dream, Much Ado About Nothing, Antony and Cleopatra. He received the Rabin Award for his work in The Three Cuckolds.