Dev Anand
Johny/Sohan
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.
Johny/Sohan
Rekha
Moti/Mohan
Heera Lal
Ranjit/Rai Saab Bhupender Singh
Pehla Ram/Dooja Ram/Teeja Ram
Police Commissioner Mehta
Babu
Director / Editor / Dialogue
