- Laurence Harvey, Jimmy Edwards, David Tomlinson, Shirley Eaton, Lisa Gastoni, Jill Ireland, Martita Hunt, Noelle Middleton and others
- Jerome K Jerome, Hubert Gregg and Vernon Harris
- Ken Annakin
George, Harris and J decide to have a holiday on the Thames. George cancels engagements with his many girlfriends, Harris informs all restaurants that he will be out of town and J explains to his wife that a holiday apart would be a novel idea.
The three men set out to rendezvous at Hampton Court but, on the way, George meets three attractive girls who are also holidaying on the river. With their interest piqued, the trio follow the girls to Henley Regatta - but things don't quite go to plan...