Is it Dalyell appearing in Just a Minute? (3)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

Tam Dalyell was a Labour politician of independent mien, who appears for our benefit hidden in Jus T A M inute, which is a long running radio panel game in which comedic contestants attempt to speak for 60 seconds without hesitation, repetition or deviation, with hilarious results (it says on the BBC website). Younger and expat members might find this a little arcane.