Almost 1,200 TV freelancers signed the open letter to ITV expressing concern at the 'GMB' host's treatment of a former colleague on Twitter.
The former 'Neighbours' star has had to quit the skating competition after failing to recover from a back injury.
The professional skater, who had been partnered with 'Corrie' actor Faye Brookes, injured his hand putting on a sock.
Joe-Warren Plant and Rufus Hound pulled put after positive Covid tests while Jason Donovan, Billie Shepherd and Denise Van Outen have all been injured on the show.
The Street is saved - but at what cost? Plus Peter hits rock bottom.