Cast and credits of Kathy O'

Dan Duryea
Harry Johnson

Jan Sterling
Celeste Saunders

Patty McCormack
Kathy O'Rourke

Mary Fickett
Helen Johnson

Sam Levene
Ben Melnick

Mary Jane Croft
Harriet Burton

Ricky Kelman
Robert 'Bo' Johnson

Terry Kelman
Tommy Johnson

Ainslie Pryor
Lt. Chavez

Barney Phillips
Matt Williams

Walter Woolf King
Donald C. Faber

Alexander Campbell
Bixby

Joseph Sargent
Mike

Mary Carver
Marge

Bill Baldwin
TV Announcer (voice) (uncredited)

George Bruggeman
Police Officer (uncredited)

Tristram Coffin
Director (uncredited)

Chuck Hamilton
Police Detective (uncredited)

Jack Perry
Fisherman (uncredited)

Joe Ploski
Butler at Kathy's Home (uncredited)

Billy Wayne
Man Paving Sidewalk (uncredited)

Smoki Whitfield
Fisherman on the Dina Lee (uncredited)

Frank Wolff
Man (uncredited)