James Daly
/ Mr. White / Major Gaylord / Bill Tanner / Sergeant Pat Boyle / Professor Amos...

Charlton Heston
/ Merton Densher / Edward Rochester / Mitch Henderson / Macbeth / Heathcliff / ...

John Forsythe
/ Capt. Sam MacKenzie / Marv Payne / Maj. Peter Brook / James Rexham / Pete May...

John Cannon
Self - Announcer (voice)

Everett Sloane
/ Aaron Burr / Ben Royce / Mike Hudson / Jonah Silver / Walter Winkworth / Giov...

Richard Kiley
/ Joe / Merrick / Jim Colton / Ralph Johnson / Julian Hurst / Fred Baxter / Ric...

Leslie Nielsen
/ Chris Jackson / Tallman / Edmund / Mac / Dr. Clayborn / Stan Janicek / Dr. Ro...

Betsy Palmer
/ Ann Meade / Ellen Morrison / Maureen Drew / Mimi / Dony Waller / Edith Olmste...

Berry Kroeger
Mr. Lawrence / Sir Sagramor / Mr. Walkes / / Baron Tito Belcredi / Caiaphas / R...

Shepperd Strudwick
/ Cassius / Nordlund / Hal Manning / Senator Greet / Mac Taylor

Vaughn Taylor
Casca / Admiral Luetjens / Doc / Prof. Henry Lempkin / / Mr. Racknall / Billy /...

Harry Townes
/ Mr.Rogers / Karl Weber / Peter Hartley / Outarist / Eliot Nelson / Mr. Hager

Nina Foch
Barbara / Belinda Cattson / / Joyce / Carrie Brown Huddleston / Fran / Lee Fouc...

E.G. Marshall
/ Harry Mork / Dr. Shratt / Everett Metcalf / George Banks / Aaron Kinney

Bramwell Fletcher
/ Mr. Wynteringham / Dr. Alderton / Governor Bell

Hildy Parks
Fran / Maggie Troy / Avery Dow / Doris Anderson / Judy McDermott / Mabel Prentic...

Charles Korvin
Paul Collins / Julian Wilder / / Gastman / Francis / El Cameron / Philip Hausma...

Skip Homeier
Carl Green / Capt. Gene Lipton / Theodore Jr. / Dickie Rogers / / Peter Shea / ...

James Gregory
George Monzo / Mr. Black / James Metcalf / Mr. Bales / Corey / Gas Man / Private...

Edward Andrews
Nils / Henry Horne / Fistar Marrock / / Forest / C. Elliot Friday / Parker