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)