Anna Torv Agent Olivia Dunham Actor Joshua Jackson Peter Bishop Actor John Noble Dr. Walter Bishop Actor Lance Reddick Agent Phillip Broyles Actor Blair Brown Nina Sharp Actor Jasika Nicole Astrid Farnsworth Actor Georgina Haig Henrietta Bishop Guest Star John Prosky Captive Observer Guest Star Michael J. Rogers Interruption Observer Guest Star Shaun Smyth Anil Guest Star Ted Cole Scientist Observer Guest Star Paul Moniz De Sa Niemann Guest Star Abagayle Hardwick Young Etta Guest Star David Stuart Observer Supervisor Guest Star J.J. Abrams Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Jeff Pinkner Executive Producer Bryan Burk Executive Producer J.H. Wyman Executive Producer