Darren McGavin
Carl Kolchak
Jo Ann Pflug
Louise Harper
Simon Oakland
Tony Vincenzo
Scott Brady
Capt. Schubert
Wally Cox
Mr. Berry
Margaret Hamilton
Prof. Crabwell
Richard Anderson
Dr. Richard Malcolm
John Carradine
Llewellyn Crossbinder
Al Lewis
Tramp
Nina Wayne
Charisma Beauty
Virginia Peters
Wilma Krankheimer
Kate Murtagh
Janie Watkins
Ivor Francis
Dr. Webb
Diane Shalet
Joyce Gabriel
Anne Randall
Policewoman Sheila
Francoise Birnheim
Restaurant Woman
Regina Parton
Merissa (Ethel Parker)
David Armstrong
Police Officer (uncredited)
Margaret Bacon
Reporter (uncredited)
Al Beaudine
Reporter (uncredited)
Loren Brown
Bar Patron (uncredited)
Bill Clark
Bar Patron (uncredited)
Robert Cole
Reporter (uncredited)
Tony Dante
Reporter (uncredited)
George DiCenzo
Underground Tour Guide (uncredited)
Rudy Doucette
Man on Tour (uncredited)
Bob Harks
Bar Patron (uncredited)
Chester Hayes
Bar Patron (uncredited)
Alan Marston
Bar Patron (uncredited)
Bill McLean
Charlie the Bartender (uncredited)
Joe Phillips
Detective (uncredited)
Al Roberts
Police Officer (uncredited)
Arnold Roberts
Reporter (uncredited)
Hank Robinson
Police Officer (uncredited)
Bob Templeton
Bar Patron (uncredited)
George Tracy
Bar Patron (uncredited)
George Washburn
Police Officer (uncredited)