What actors and actresses appeared in The Remarkable Case of Mr. Bruhl - 1955?

The film you're referring to is actually titled "The Remarkable Mr. Pennypacker" (1955), not "The Remarkable Case of Mr. Bruhl".

The cast included:

* Humphrey Bogart as Mr. Pennypacker

* Ethel Barrymore as Mrs. Pennypacker

* Miriam Hopkins as Miss Prudence Pennypacker

* Lewis Stone as Mr. Pennypacker's father

* Ann Blyth as Mrs. Pennypacker's niece

* Peter Lawford as Miss Pennypacker's boyfriend

* Marjorie Main as Mrs. Pennypacker's sister

* Fred Clark as Mr. Pennypacker's lawyer

This light-hearted romantic comedy was a popular film of its time.