Charlton Heston

Capt. Henry 'Hank' O'Hara

Yvette Mimieux

Angela Thacher

James Brolin

Jerome K. Weber

Claude Akins

Sgt. Ben Puzo

Jeanne Crain

Mrs. Clara Shaw

Susan Dey

Elly Brewster

Rosey Grier

Gary Brown

Mariette Hartley

Harriet Stevens

Walter Pidgeon

Sen. Arne Lindner

Ken Swofford

John Bimonte

Leslie Uggams

Lovejoy Wells

Ross Elliott

Harold Shaw

Nicholas Hammond

Peter Lindner

Mike Henry

Sam Allen

Jayson Kane

William Reading

Leoda Richards

Passenger

Lorna Thayer

Weber's mother

Maureen Connell

Mrs. O'Hara

John Hillerman

Air flight controller

Jenifer Shaw

Cosmetic Salesgirl

Wesley Lau

Stanley Morris