Origins: We'll just present Jamie Farr's version of this (likely apocryphal) tale and let it go at that:
He took care of him all right. He guided Carradine over to a vacant stage, where a cameraman and some lighting guys were waiting, and explained that the entire test would be done in pantomime. "I want you to come out from behind this door," said Barrymore, "and you're to make the audience feel that you've just had the best feast of your life."
Carradine said he could do that. And he did. He put on a helluva mime show, licking his lips, wiping them with his kerchief, patting his stomach, almost burping with contentment, smiling to himself, sighing with the rapture of it all. "How did I do?" said Carradine, when Barrymore cried cut.
"Terrific," said Barrymore.
"When do I get to see it?"
"Tomorrow. Come to the commissary at noon tomorrow. We'll take a look at it after lunch." So, after lunch the next day, Barrymore corralled a half-dozen of the studio executives to take a look at Carradine, who wondered why his friend was making such a big deal out of a simple, little,
Farr, Jamie. Just Farr Fun. Clearwater, FL: Eubanks/Donizetti Inc., 1994. ISBN 0-9640775-0-7 (p. 34-35).