The African Queen (1951)
Directed by: John Huston
Cast: Humphrey Bogart, Katharine Hepburn and Robert Morley
IMDb page about The African Queen
Studio(s): Shepperton Studios - Iverson Ranch - Isleworth Studios
Woodlands and the River Ash adjacent to the Shepperton Studios backlot were used for some exteriors.
The bulk of the soundstages used were at Isleworth Studios.
Iverson Ranch was also used for some exterior shots.
Trailer: