Henry Fonda as Clay Spencer

Maureen O'Hara as Olivia Spencer

James MacArthur as Clayboy Spencer

Donald Crisp as Grandpa Spencer

Wally Cox as Preacher Goodman

Mimsy Farmer as Claris Coleman

Virginia Gregg as Miss Parker

Lillian Bronson as Grandma Spencer

Whit Bissell as Dr. Campbell

Hayden Rorke as Colonel Coleman

Kathy Bennett as Minnie-Cora Cook

Dub Taylor as Percy Cook

Hope Summers as Mother Ida

Ken Mayer as Mr. John

Rusty Lane as University Dean (uncredited)

Barbara McNair as Graduation Singer (uncredited)

Kym Karath as Pattie-Cake Spencer (uncredited)

Victor French as Spencer Brother (uncredited)

Med Flory as Spencer Brother (uncredited)

Michael Greene as Spencer Brother (uncredited)

Mike Henry as Spencer Brother (uncredited)

Larry D. Mann as Spencer Brother (uncredited)

James O'Hara as Spencer Brother (uncredited)

Ray Savage as Spencer Brother (uncredited)

Bronwyn FitzSimons as Dean's Secretary (uncredited)

Veronica Cartwright as Becky Spencer (uncredited)

William Breen as Mountain Boy (uncredited)

Michele Daves as Donnie Spencer (uncredited)

Martin Eric as Odell Harper (uncredited)

Robert "Buzz" Henry as Ambulance Driver (uncredited)

Rory Mallinson as Cop (uncredited)

Guy Wilkerson as Slim Temple (uncredited)

Gary Young as Mat Spencer (uncredited)

Michael Young as Mark Spencer (uncredited)

Ricky Young as Luke Spencer (uncredited)

Rocky Young as John Spencer (uncredited)

Susan Young as Shirley Spencer (uncredited)