Saw the doc talking with the patient at baggage claim, all's well

there was a medical concern later in the flight ("is there a licensed medical professional onboard?") and I was so relieved it wasn't that guy

... and half those pages are signature pages

Carcinojam

My second choice was

And of course Zendaya as Chani, in true real-person-in-a-muppet-movie fashion.

The Reverend Mother is a real person too (celebrity cameo)

Notable inclusions:

Fozzie Bear as Duncan Idaho
Animal as Raban
Miss Piggy as Baron Harkonnen
Sam the Eagle as Duke Leto
Rowlf the Dog as Lady Jessica