K. K. Raina is an Indian film, television and theatre character actor, and award-winning script writer, who is best known for his roles as Juror #8 in the 1986 film Ek Ruka Hua Faisla, a remake of 12 Angry Men, and the Dr. Watson-like side-kick Ajit in the 1993 Doordarshan detective series Byomkesh Bakshi. Raina won the Filmfare Award for Best Dialogue in 1998 for the Rajkumar Santoshi film China Gate.Raina is an alumnus of the National School of Drama, graduating in 1976.