Peter Graves
— Doug Warfield
Diana Muldaur
— Carrie Donovan
John Anderson
— Edward McClure
Clu Gulager
— Emmet Jergens
Tina Louise
— April Tierney
Stephen McNally
— Joe Barker
Ina Balin
— Marla Hayes
Michael Ansara
— Frank Mulvey
William Jordan
— Tony Boyd
Edward Bell
— Reed
Paul Mantee
— Adams
Roy Jenson
— Dave Falk
Wesley Lau
— Police Sergeant
Victor Campos
— Danny
Lesley Woods
— Lesley Woods
Bart Burns
— Chairman
Dan Frazer
— Reynolds
Max Gail
— Anderson
Robert F. Hoy
— Lond
Gavan O'Herlihy
— Mechanic
Tom Gulager
— Johnny
Hal Needham
— Connors
George P. Wilbur
— Sandler
Phil Montgomery
— Ross
Harry Kerwin
— George (uncredited)
Stack Pierce
— (uncredited)
William Smithers
— (uncredited)