The actor, who plays Fred Buckle in Call The Midwife, is said to be joining the show later this week.
According to The Sun, a show source said: "Bosses decided that this year's latecomers will be a soap duo.
"Cliff was really popular in EastEnders and he's a big character off-screen too, so they think he'll go down really well with viewers."
Cliff joined EastEnders in 2002 as Minty Peterson.
His character worked as a mechanic for Phil Mitchell for years before his departure in 2010.
Cliff was really popular in EastEnders and he's a big character off-screen too.
Currently Cliff is playing handyman Fred in Call The Midwife.
Cliff isn't the only one reported to be going into the jungle as Coronation Street's Andy Whyment has been heavily rumoured to be joining the show.
The first episode of I'm A Celebrity 2019 kicked off last night (November 17 2019) and viewers saw 10 celebrities make their way into the jungle.
Celebrities include former EastEnders actress Jacqueline Jossa, former Olympian and American reality star Caitlyn Jenner, Girls Aloud singer Nadine Coyle, Rak-Su singer Myles Stephenson, and ex-footballer and broadcaster Ian Wright.
Also in the starting line-up is Radio 1 DJ Adele Roberts, Capital Radio DJ Roman Kemp, TV presenter Kate Garraway, comedian Andrew Maxwell and former England Rugby player James Haskell.
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