
Plot
When a gangster named Heeralal gets arrested, he befriends Johny, a petty thief, in prison. He seeks Jony's help in executing his mission of smuggling a few diamonds. Johny, however, is an undercover CID officer named Sohan.
Trailer
Cast

Dev Anand
Johny/Sohan

Hema Malini
Rekha

Pran Sikand
Moti/Mohan

Jeevan Dhar
Heera Lal

Premnath Malhotra
Ranjit/Rai Saab Bhupender Singh

I.S. Johar
Pehla Ram/Dooja Ram/Teeja Ram

Iftekhar
Police Commissioner Mehta

Randhawa
Babu

Padma Khanna

Sulochana Latkar

Jeevan Dhar

Dulari

Shyam Kumar

Mridula Rani

Tabassum

Sajjan Lal Purohit

Madhup Sharma

Jagdish Raj

Keshav Rana