Comic actor welcomed by David Letterman (4)

I believe the answer is:

idle

'comic actor' is the definition.
(Eric Idle - English Monty Python member)

'welcomed by david letterman' is the wordplay.
'welcomed by' indicates the answer is hidden within the clue.
'IDLE' can be found hidden inside 'david letterman'.

(Other definitions for idle that I've seen before include "Maybe Eric" , "Loaf" , "Not busy" , "Monty Python's Eric, b. 1943" , "Still" .)

I've seen this clue in The Sunday Times and The Times.

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