What actors and actresses appeared in Operation Petticoat - 1977?

You are likely referring to the 1959 film "Operation Petticoat", not a 1977 film. There was no movie released in 1977 called "Operation Petticoat".

The 1959 film "Operation Petticoat" starred:

* Cary Grant as Executive Officer Lieutenant Commander Matthew T. "Matt" Sherman

* Tony Curtis as Lieutenant Commander Nicholas "Nick" Holden

* Gene Kelly as Captain "Butch" Haynes

* Dina Merrill as Lieutenant (j.g.) Barbara "Babs" Keller

* Joan O'Brien as Ensign (j.g.) Dolores "Dolly" Stevens

This film was directed by Blake Edwards.