The actor and TV journalist stated that he has no plans of following Letitia Dean (Sharon Watts) back to the BBC soap, but that he would never fully rule it out.
"I would never say never to going back. It was a good ten years of my life, I really enjoyed it," he told The Sun.
"But I am doing other things now. It has taken the skin off my knees and my bald head to get this far, so I'm not about to give up just yet."
He added: "I'm hoping I will want a quieter life one day, but who knows? I bet Letitia and Steve McFadden are having a ball now she is back. She is such good fun to work with."
Kemp last appeared as Grant Mitchell on the soap six years ago.
He wished his former on-screen wife Letitia Dean good luck on her return to Albert Square earlier this year.
The second series of Ross Kemp: Extreme World will premiere on Monday, September 3 at 9pm on Sky1.