Ross Kemp has made a name for himself for his acting roles as well as his investigative journalism work on shows such as Ross Kemp on Gangs and Ross Kemp: Extreme World among others.

And now, the BAFTA winner, 55, is giving Louis Theroux a run for his money and appearing in brand new documentary Britain's Tiger Kings: On the Trail with Ross Kemp on ITV, exploring the big cat industry that's running within the UK.