Answer:

coca

Answer	Crossword Clue
COCA	Funny Imogene
COCA	South American shrub
COCA	"Your Show of Shows" regular

COCA	Caesar's foil
COCA	Half a soft drink?
COCA	Chewed stimulant
COCA	Cohort of Caesar
COCA	Colleague of Caesar
COCA	Caesar's cohort
COCA	Emmy winner Imogene
COCA	1951 Emmy winner

COCA	Comedy's Imogene
COCA	Caesar's partner
COCA	With 32A, soft drink
COCA	Zany Imogene
COCA	Comic Imogene
COCA	Caesar's costar on "Your Show of Shows"
COCA	Caesar's comedy partner
COCA	Caesar ally

COCA	Andean stimulant
COCA	Caesar's TV sidekick
COCA	Caesar's partner Imogene
COCA	Cola lead-in
COCA	Imogene of comedy
COCA	1951 Emmy winner Imogene
COCA	Caesar's sidekick
COCA	Chewable stimulant

COCA	First name in soft drinks?
COCA	Imogene of "Your Show of Shows"
COCA	Imogene of early TV
COCA	Narcotic shrub
COCA	...-Cola
COCA	Caesar's partner in comedy
COCA	Comedic Imogene
COCA	Caesar's silly sidekick

COCA	Actress Imogene
COCA	Caesar's comedic sidekick
COCA	Comedienne Imogene
COCA	She acted with Caesar
COCA	Actress Imogene of "Grindl"