Characters played by Richard Carlson
Prof. Richard Inglethorpe Culbertson Kay
aka R.I.C. Kay
aka Rick
Characters played by Martha O'Driscoll
Joyce Whitman
Characters played by Cecil Kellaway
Alfred Fortescue
Characters played by Frances Gifford
Grace Saunders
Characters played by Florence Bates
Mrs. Saunders
Characters played by Mabel Paige
Nurse Eckles
Characters played by Velma Berg
Babs Saunders
Characters played by Francis Pierlot
Dr. Mitchell
Characters played by Ray Walker
Eddie Summers - Band Leader
Characters played by Fern Emmett
Josephine - the Maid
Characters played by Milton Kibbee
Chauffeur (as Milt Kibbee)
Characters played by Betty Farrington
Cook