Larry Gates

as Eric Endicott

as Dr. Dan 'Danny' Kauffman

as Bill Stockton

as Dr. Baugh

as Jacob Darien

as Ackerman

as Jameson

as Mr. Hollister

as Professor Robert Haven French

as John P. Clum

as John Driscoll

as Judge Herlands

as Medusa Guard

as Bernard Baruch

as Weller

as Mason Woodruff

as Randolph

as Mayor Chester Sayre

as Sid Kubik

as Charles Blaisdell

as Cyrus Warkins

as Major Avery

as Cardinal

as Dr. Lovane

as Sir Oliver Surface

as Doc Seltzer

as Capt. William Parsons

as Joe Adams

as Al Brooks

as Gavin Carroll

as President Chester A. Arthur

as Robert Ardley

as Henry Winthrop

as Dr. Kramer

as Roscoe Potts

as Prof. Robert Hopkins

as Dan Austin

as Louis Rosen

as Mr. Pilbeam

as Harry Winters

as Dr. Dan 'Danny' Kauffman - (archive footage)

as Rev. Dr. Fielding

as Roscoe Potts

as Pres. Herbert Hoover

as Ed Hemmings

as Ed Daggett

as Adm. Leahy

as American Negotiator

as Zales Yoder

as Senator George Dryden

as President Alan Doby

as Arnie Bigelow

as Judge Graham Platte

as Earl of Kent

as Sir Oliver Surface

as Torger Nilsson

as Bishop

as Owen Rutledge

as General Toomey