C.I.D. is a 1956 Indian crime thriller film directed by Raj Khosla and produced by Guru Dutt. It stars Dev Anand, Shakila, Johnny Walker, K. N. Singh and Waheeda Rehman. The film has Dev Anand playing a police inspector investigating a murder case. The music was given by O. P. Nayyar and the lyrics by Majrooh Sultanpuri and Jan Nisar Akhtar. It was Waheeda Rehman's screen debut in Hindi films, and future directors Pramod Chakravorty and Bhappi Sonie worked as assistant directors on this film. It is considered to be one of the "Best Thrillers to have ever come out of Hindi Cinema".