as Steve
as Tom Baron
as House detective
as Mike
as Chuck Steuart
as Mac Tilton
as Sgt. Higbee / Narrator (voice)
as Gordon P. Turner
as Otis Thayer
as William 'Moe' Early
as Joseph Randall
as Christley (uncredited)
as Mr. Creely
as Willis Evans
as Bill Plumber
as Arthur Trent
as Sherman Billingsley
as Captain O'Rourke (Uncredited)
as Mel Gilbert
as Dr. Rodell
as Tim Callahan
as Howard Fowler
as Announcer at Shell Race
as Jimmy Ralston
as George R. Kelly
as Dog Show Announcer
as Rod Huntley
as Police Lt. Larry Brooks
as Sidney Monahan
as Rick Castle
as Dr. Fiston
as Narrator (voice)
as Frederick Morrow