Talcott looks down the indicated passage and nods, humming softly in acknowledgment because Izunia cannot see the nod any more than Ignis would be able to. Then he's moving closer, hesitating for a moment. "If you'll give me your hand, sir, I can assist you."

A hand on his shoulder is pretty commonplace for him. It might even be a little reassuring, considering how long it's been since he's seen any of the people he considers family. But they should get moving before they start discussing eras and relations that might help Izunia place him.