Poker-faced, as a comic (7)
I believe the answer is:
deadpan
(Other definitions for deadpan that I've seen before include "Blank" , "With expressionless face" , "Dry" , "Betraying no emotion" , "with emotionless face" .)
I believe the answer is:
deadpan
(Other definitions for deadpan that I've seen before include "Blank" , "With expressionless face" , "Dry" , "Betraying no emotion" , "with emotionless face" .)