Howard Silk, a lowly cog in the bureaucratic machinery of a Berlin-based UN spy agency. When Howard discovers that his organization safeguards the secret of a crossing into a parallel dimension, he is thrust into a shadow world of intrigue, danger, and double cross. The only man he can trust is "Prime," Howard's near-identical counterpart from this parallel world.
Elenco: J.K. Simmons , Olivia Williams , Harry Lloyd , Nazanin Boniadi , Betty Gabriel , Sara Serraiocco , Nicholas Pinnock , James Cromwell .