Harry, a famous scientist, is mistaken for an escaped lunatic.
| Actor | Role |
|---|---|
 Harry LangdonEgbert Slipp | Egbert Slipp |
 John T. MurrayOscar B. Zerk | Oscar B. Zerk |
 Shirley PattersonJosephine | Josephine |
 Bobby BarberBellhop | Bellhop |
 Heinie ConklinNeighbor | Neighbor |
 Vernon DentWilliam Ruff | William Ruff |
 Dudley DickersonValet | Valet |
 Fred KelseyPoliceman | Policeman |
 Hank MannTenent | Tenent |
| EEva McKenzieScared Woman in Hallway | Scared Woman in Hallway |
 Robert McKenzieJosephine's Father | Josephine's Father |
 Blanche PaysonTenent | Tenent |
 Charles SullivanNewspaper Copy Man | Newspaper Copy Man |
 Fred 'Snowflake' ToonesShooting Galley Man | Shooting Galley Man |
| JJoyce GardnerBaby in stroller | Baby in stroller |