George Peppard
P.J. Detweiler
Raymond Burr
William Orbison
Gayle Hunnicutt
Maureen Preble
Brock Peters
Waterpark
Wilfrid Hyde-White
Billings Browne
Jason Evers
Jason Grenoble
Coleen Gray
Betty Orbison
Susan Saint James
Linette Orbison
Severn Darden
Shelton Quell
Jane Van Duser
Elinor Silene (as H. Jane Van Duser)
George Furth
Sonny Silene
Barbara Dana
Lita
Herb Edelman
Charlie (as Herbert Edelman)
John Qualen
Poppa
Bert Freed
Police Lieutenant
Ken Lynch
Thorson
Jim Boles
Landlord's Agent
Arte Johnson
Jackie
King Charles MacNiles
Calypso Singer
Mary Gregory
Miss Winnick