Helen, Helen, Helen. How your talents were (mostly) squandered by the powers-that-were in Hindi cinema. But actor Chandrashekhar, when faced with the prospect of starring in his own vehicle (he produced and directed this too), decided to cast her as his heroine. Excellent decision—except he really should have found another hero too. In a cast that also includes Om Prakash, OP Ralhan, Aruna Irani, Bela Bose, Iftekhar, Madan Puri and these two:
plus guest appearances by Dara Singh and Tun Tun, Chandrashekhar himself is the only blight. Well, he and the shrewish Ma to end all shrewish Mas, Leela Mishra. Dull and doughy as he is, seeing him opposite vivacious and beautiful Helen is just wrong. But otherwise, Cha Cha Cha is oodles of Beach Blanket Bingo type fun!