Two Great Actors In One Film

[KayFrancis]

Spencer Tracy and Katharine Hepburn in Pat and Mike, Adam's Rib, Woman of the Year, Sea of Grass, Keeper of the Flame. Desk Set, Guess Who's Coming to Dinner

[Intrepid37]

Lee Marvin and Ernest Borgnine - Emperor of the North (1973)

[Arsan444]

Alec Guinness and John Mills in Tunes of Glory

[KayFrancis]

Humphrey Bogart and Katharine Hepburn in The African Queen

[Detective Jim McLeod]

Here are a couple more-

John Wayne and Henry Fonda in Fort Apache (1948) I thought each actor would have played the other role, but it turned out both were excellent.

Clark Gable and Burt Lancaster in Run Silent Run Deep (1958)

[KayFrancis]

William Powell and Myrna Loy in all The Thin Man Movies

[Sepiatone]

You could say JOHN WAYNE and JIMMY STEWART in THE MAN WHO SHOT LIBERTY VALANCE.
Or add LEE MARVIN and make it THREE.
Or add EDMUND O'BRIEN and make it FOUR.
or...
Add WOODY STRODE and make it........
Sepiatone

[Detective Jim McLeod]

You could say JOHN WAYNE and JIMMY STEWART in THE MAN WHO SHOT LIBERTY VALANCE.
Or add LEE MARVIN and make it THREE.
Or add EDMUND O'BRIEN and make it FOUR.
or...
Add WOODY STRODE and make it........
Sepiatone

But Wayne and Stewart are the leads, the others are great but supporting players.

[Intrepid37]

But Wayne and Stewart are the leads, the others are great but supporting players.

Especially Woody Strode. Never a star, really.

[Intrepid37]

Brando and Brynner - Morituri (1965)

[laffite]

Tony Curtis and Sidney Poitier in The Defiant Ones ('58)

[KayFrancis]

The Sweet Smell of Success- Burt Lancaster and Tony Curtis

[Detective Jim McLeod]

John Wayne and Montgomery Clift in Red River (1948)

Robert DeNiro and Robert Duvall in True Confessions (1981)

surprised no one mentioned this duo yet-

Paul Newman and Robert Redford in Butch Cassidy And The Sundance Kid (1969 and The Sting (1973)

[Cinemaspeak59]

Seven Days in May (1964) Burt Lancaster and Kirk Douglas

[Intrepid37]

Al Pacino, Gene Hackman - Scarecrow (1973)