Who played nicely nicely in guys and dolls movie?

In the film adaptation of "Guys and Dolls," the character Nicely-Nicely Johnson was played by Stubby Kaye. Kaye's portrayal of the jovial and optimistic gambler is memorable, particularly for his performance of the song "Sit Down, You're Rockin' the Boat." His character adds a lighthearted and comedic element to the story, contributing to the overall charm of the musical.