The man who guided Pompey to FA Cup success in 2008 is one of ten contestants who will enter the jungle - the reality TV show which starts this Sunday. Get Me Out Of Here!
"Barrowman is head and shoulders above his rivals in the I'm A Celeb outright victor betting at 11/4, with Anne Hegerty and Sair Khan his nearest challengers at 7/1".
Former Tottenham Hotspur and West Ham manager Redknapp thinks the jungle will be far easier than being the boss of a losing football team - although he admits he has never actually watched the programme.
But he confessed he was dreading any coffin-style challenges.
Holly is standing in for Ant and said: "I'm just looking after it until [Ant] gets back".
"It was see-through, so I could see space but I couldn't do it".
60-year-old Anne Hegerty said: "I am pretty sedentary and I spend most of my time sitting on my bum reading things on the Internet!"
Also appearing will be DIY SOS's Nick Knowles, Hollyoaks' Malique Thompson-Dwyer, EastEnders Rita Simons, Coronation Street's Sair Khan, The Vamps star James McVey and X Factor's Fleur East. The buck stops with you.
While it was already known that two mystery celebs would be joining the already-confirmed 10 campmates once the upcoming series of "I'm A Celebrity" gets going later this month, The Mirror is now reporting that TV presenter Noel is one of them.
Noel Edmonds has become the highest paid I'm A Celebrity 2018 contestant with a whopping £600,000 fee.
"I don't really care what you think about me, I'm still gonna be me".
He said: "Everyone has phobias and I am terrified of some of the things on the programme".
With "bad eating habits", Redknapp said that going without will not be a problem for him and that the show will not be tougher than life on the touchline.
Now in its 18th series, this will be the first time presenter McPartlin will be absent.