Peter Sellers
Group Capt. Lionel Mandrake / President Merkin Muffley / Dr. Strangelove
Sterling Hayden
Brigadier General Jack D. Ripper
Hal Galili
Burpelson AFB Defense Team Member
Laurence Herder
Burpelson AFB Defense Team Member
John McCarthy
Burpelson AFB Defense Team Member
Burnell Tucker
Mandrake' aide (non-crédité)
Victor Harrington
War Room Aide (non-crédité)