The most common and most likely answer to this crossword clue is the 7 letter word SILVERS
I've seen this crossword clue in The Daily Telegraph
S
I
L
V
E
R
S
More clues leading to the result SILVERS
Buddy explains!

The straight part
We know that "Old TV comic Phil" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case old tv comic phil = silvers.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SILVERS mean?
SILVERS noun- A lustrous, white, metallic element, atomic number 47, atomic weight 107.87, symbol Ag.
- (collectively) Coins made from silver or any similar white metal.
- (collectively) Cutlery and other eating utensils, whether silver or made from some other white metal.
- (collectively) Any items made from silver or any other white metal.
- A shiny gray color.
- Anything resembling silver; something shiny and white.
- To acquire a silvery colour.
- To cover with silver, or with a silvery metal.
- To polish like silver; to impart a brightness to, like that of silver.
- To make hoary, or white, like silver.