Len Jones (Joe McClaine (voice))

Rupert Davies (Professor Ian 'Mac' McClaine (voice))

Keith Alexander (Sam Loover / Russian Pilot / Moscow Air Defence Director / Anton / Captain William Barry (voice))

David Healy (Shane Weston / Russian Commander / Base 513 Controller / Kramer / Bates / Commander Kovac (voice))

Jeremy Wilkin (General / Officer / Lieutenant / Tanker / Hunter 2 / B107 Co-Pilot Hal / 2nd Russian (voice))

Gary Files (Reporter / Russian Radio Operator / Co-Pilot Frank Casper / Agent 26 / Fearless Foley / Dr. William Kelvin (voice))

Sylvia Anderson (Stewardess / Mrs. Mary Rose / Mrs. Ada Harris (voice))