Henry Jeckle / Teddy Hyde
Reginald
Victor
Henrietta
Snout
Angel
Inspector Barclay
Bimbo
Miss Angers
Themselves (as Joe Loss and his orchestra)
Dandy
Fish
Peewee
Benny
Figures
Mark Pasco
Det. Sgt. Barnes
Monsieur Blum
Receptionist
Barman
Customer (as Alexander Dore)
The Rockets
The Rockets (as Gerry Phillips)
Old Time Dancer
Old Time Dancer (as Stella Kimball)
Old Time Dancer (as Alicia St. Leger)
Model
Fraser (uncredited)
Reporter (uncredited)
Gent at Jewellery and Fashion Show (uncredited)
Police Sergeant (uncredited)
Cellist (uncredited)
Laughing Man in Street (uncredited)
Commissionaire (uncredited)
Small Man (uncredited)