as Yancy

as Michaud

as Howard Hughes

as Dennis

as Captain Minardi

as Dr. Gene Clifford / Jerry Blake

as Danny Leggett

as Alex McSween

as Colonel Pierce Grissom

as Jerry Blake

as Detective Clark

as Colonel Thomas Rhodes

as J.R. Mitchell

as Rollin H. Parker

as Launch Director

as Dr. Frank Linden

as Frank Ridell

as Jack Moseley

as Grandpa James

as Bruce

as Frank Devereaux

as Hersch Lawyer

as Major Beckett

as Richard Cory

as Dr. Wallace

as Bob Anderson

as Sidney Lassiter

as Dr. Connors

as Bonner

as Maj. Tom Patterson

as Raymond Miller

as Henry

as Curt Mitchell

as Jay Floyd

as Adm. Truman Hager

as Daniel

as Self

as Jim Barrett

as James Roosevelt

as Wes Travis

as Aaron Sykes

as Buddy Kelsey

as Gordon Holc

as Mayor John Clum

as David Walker

as Claude Harbrough

as Ed Saxe

as Cliff's Father

as Dr. Philip Sumrall

as Connie Priest

as Cliff Ripley

as Detective Buck McGovern

as Barlow

as Henry Cragin

as Freeman Smith

as Parent

as Dr. Redding

as Sergeant Don Bell

as Frank Darnell

as Judge Hilburn

as Eric Farrell

as Buster Schuler

as Casey Keddington

as Mark Miller

as Harris Wiley

as Sheriff Joe Haller

as Bob Altschuler

as Sergeant Nicholas

as Goldberg (uncredited)

as Jerry

as Dr. Friedman

as Oliver Booth