Danny Kaye

as Ernest Klenk

Cara Williams

as Sugar Pye

Martha Hyer

as Lucy

Telly Savalas

as Foots Pulardos

Everett Sloane

as Mr. Martindale

Kaye Stevens

as Bea Frampton

Howard Caine

as Claude Bassanio

George Kennedy

as George

Jay Novello

as Mooseghian

Ann Morgan Guilbert

as Ella Trask

Ronald Long

as Minister

Bernie Kopell

as Comet Messenger (uncredited)

Harry Dean Stanton

as Beatnik (uncredited)