Hugo Weaving is officially returning to Slow Horses for season 6, reprising his role as the sinister Frank Harkness. The hit Apple TV+ espionage drama, based on Mick Herrons Slough House novels, follows the exploits of outcast agents, relegated to Slough House under the leadership of the abrasive Jackson Lamb (Gary Oldman). Season 4 introduced Weavings Frank Harkness, a former CIA operative, whose child soldier scheme and connection to River Cartwright (Jack Lowden) added another complex issue to the show's already tense narrative. Though Slow Horses season 5 has yet to air, season 6 has already been confirmed.

According to Variety, Weaving confirmed his character's return in Slow Horses' season 6, revealing exciting prospects for the upcoming seasons. At the end of season 4, River is revealed to be one of Frank's sons, a child spared from Frank's efforts to rear young boys into obedient killing machines. Here's what Weaving had to say about the series' upcoming installment,...