Sorry, the OP specified “actors”.
Third example: The BBC was looking for a “Peter Jones type” as the voice of the Guide in The Hitchhiker’s Guide to the Galaxy. Jones was a successful radio actor. After a couple of people turned it down, they asked Jones and he agreed.

- "We need a Quigley Edwards type for this part.”
The alternate version is 4. “We need a young Quigley Edwards type”
There’s always the example of the people making the Twisted Sister video for “We’re Not Gonna Take It” saying they want a Niedermeyer from Animal House type guy to play the dad in the video, and someone saying “Well, why don’t we just get that guy?” and as a result they cast Mark Metcalf (the original Niedermeyer) as the dad in the video.