(archive footage)
(archive footage)
Dr. Marcus Welby
Joe Woldarski
Roswell Gilbert
Dr. Marcus Welby
Self (archive footage)
James Anderson
(archive footage)
(archive footage) (uncredited)
Judge Charles Raleigh
Judge Charles Raleigh
Marcus Welby
Himself
Stanley Moorehead
Narrator
Dan Craig
Doctor James Merrill
Jeff Cohalan
Vernon 'Vern' Walsh
Stephen Tracy Adams
Philip Bosinney
Dr. Andrew Sheldon
Nick Buckley
Harry King
Finlay
Larry Ballentine
Larry Scott
Alex Hazen
David Naughton
Lt. Hurley 'Hank' Travers
Oliver Bradford
Cuffy Williams
David Naughton
Samuel Magee
Bob Stuart
John Davis
Homer Smith, aka Juniper Jones
Joe Smith
Harry Moulton Pulham
Randolph Haven
Edward 'Eddie' Crane
Richard Blake
Jimmy Blake
Douglas Lamont
Myles Vanders
Fritz Marberg
Anton Erban
Langdon Towne
Himself
Michael Morgan
Charles 'Slim' Martin
Neil McGill
Himself (uncredited)
Brooks Mason / George Smith
David Linden
Bill Harrison
Himself
Andre Vallaire
Fritz Hagedorn
Pierre Brassard
Gottfried Lenz
Roger 'Rog' Ash
Rudolph 'Rudi' Pal
Grand Duke Peter
Tom Wakefield
Gene Anders
Tommy Randall
Charley Phelps
Henry 'Hank' Sherman
Hugh McKenzie
Robert Marvin
Peter Carlton
Jack Bristow
Tony Milburn
Jeff
Preston Patton
Tony Spear
Little Mike Stone
Tony Ferrera
Larry Kelly
Jack Forrester
Radio Announcer (uncredited)
Capt. Fitzroy
William 'Bill' Drexel
John Stafford
Will Connelly
Bobby Preble
Jim Fowler
Alec (Son)
Lieut. (JG) 'Brick' Walters
Claude William Hope
Geoffrey Aiken
Gordon Evans as a Young Man
Ricardo
Dick Ogden
Ralph Thomas
Kip Tarleton
Graham - Pilot Reporting Missing Airplanes (uncredited)
Marco Ricca, also known as Marco Smith
Dr.Claudet
Jimmy
Student at Dance / at Beach (uncredited)
