Wall Street wizard Larry Day, new to the ways of love and coached by his valet, follows Vivian Benton on an ocean liner, where cocktails, laced with a 'love potion', work their magic.
| Actor | Role |
|---|---|
 Douglas FairbanksLarry Day | Larry Day |
 Bebe DanielsVivien Benton | Vivien Benton |
 Edward Everett HortonRoger, the Valet | Roger, the Valet |
| CClaud AllisterSir Horace Partington Chelmsford | Sir Horace Partington Chelmsford |
 Jack MulhallJimmy Carrington | Jimmy Carrington |
 Walter WalkerJames Benton | James Benton |
 June MacCloyKitty - Aero Girl With Long Earrings | Kitty - Aero Girl With Long Earrings |
 Helen Jerome EddyLarry's Secretary | Larry's Secretary |
 Bing CrosbyBing | Bing |
 William H. O'BrienServant Telling Larry London is Calling (uncredited) | Servant Telling Larry London is Calling (uncredited) |
 Dennis O'KeefeShip's Party Guest (uncredited) | Ship's Party Guest (uncredited) |
 Lloyd WhitlockAssociate (uncredited) | Associate (uncredited) |
 Emmett CorriganTimothy Grovener - Bank President (uncredited) | Timothy Grovener - Bank President (uncredited) |
 Toshia MoriCoat Girl (uncredited) | Coat Girl (uncredited) |
 Florence WixOutraged Mother at Ship's Party (uncredited) | Outraged Mother at Ship's Party (uncredited) |