T.R.A.C.K.S.: - Hot on the trail of the Clairvoyant, Coulson and his team board a mystery train that seems to be headed for certain death, on "Marvel's Agents of S.H.I.E.L.D.," Tuesday, February 4 (8:00-9:01 p.m., ET) on the ABC Television Network. "Marvel's Agents of S.H.I.E.L.D." stars Clark Gregg as Agent Phil Coulson, Ming-Na Wen as Agent Melinda May, Brett Dalton as Agent Grant Ward, Chloe Bennet as Skye, Iain De Caestecker as Agent Leo Fitz and Elizabeth Henstridge as Agent Jemma Simmons. Guest starring are David Conrad as Ian Quinn, Carlo Rota as Luca Russo, T.J. Ramini as Mancini, Ludwig Manukian as the Conductor, Emily Baldoni as Sofia, and a special cameo appearance by Stan Lee. "T.R.A.C.K.S." was written by Lauren LeFranc and Rafe Judkins and directed by Paul Edwards.