Marta Balaga “Peaky Blinders” breakout Joe Cole enjoyed “little moments of levity” in his upcoming show “Nightsleeper.” “I play a lot of serious, moody characters. But I read this role and went: ‘This is close to me as a person.’ I could be free and use my life experience, everything I have been through. I try to have fun in life and bring it to the parts I play.